Snowboard - Pyeongchang 2018 Winter Olympics - Men's Parallel Giant Slalom Finals - Phoenix Snow Park - Pyeongchang, South Korea - February 24, 2018 - Benjamin Karl of Austria and Andreas Prommegger of Austria compete. REUTERS/Mike Blake

Snowboarding - FIS Snowboarding and Freestyle Skiing World Championships - Men's Parallel Giant Slalom - Sierra Nevada, Spain - 16/03/17 - Gold medalist Andreas Prommegger of Austria in action. REUTERS/Albert Gea TPX IMAGES OF THE DAY

Snowboarding - FIS Snowboarding and Freestyle Skiing World Championships - Men and Women's Parallel Giant Slalom - Sierra Nevada, Spain - 16/03/17 - Gold medalist Andreas Prommegger of Austria and gold medalist Ester Ledecka of Czech Republic pose after the presentation ceremonies. REUTERS/Albert Gea

Snowboarding - FIS Snowboarding and Freestyle Skiing World Championships - Men's Parallel Giant Slalom - Sierra Nevada, Spain - 16/03/17 - Gold medalist Andreas Prommegger of Austria in action during the semi final. REUTERS/Albert Gea TPX IMAGES OF THE DAY

Snowboarding - FIS Snowboarding and Freestyle Skiing World Championships - Men's Parallel Giant Slalom - Sierra Nevada, Spain - 16/03/17 - Gold medalist Andreas Prommegger of Austria in action during the semi final. REUTERS/Albert Gea

Snowboarding - FIS Snowboarding and Freestyle Skiing World Championships - Men's Parallel Giant Slalom - Sierra Nevada, Spain - 16/03/17 - Andreas Prommegger of Austria and Benjamin Karl of Austria in action during the big final. REUTERS/Albert Gea

Snowboarding - FIS Snowboarding and Freestyle Skiing World Championships - Men's Parallel Giant Slalom - Sierra Nevada, Spain - 16/03/17 - Andreas Prommegger of Austria and Benjamin Karl of Austria in action during the big final. REUTERS/Albert Gea

Snowboarding - FIS Snowboarding and Freestyle Skiing World Championships - Men and Women's Parallel Giant Slalom - Sierra Nevada, Spain - 16/03/17 - (L to R) Silver medalist Patrizia Kummer of Switzerland, silver medalist Benjamin Karl of Austria, gold medalist Andreas Prommegger of Austria, gold medalist Ester Ledecka of Czech Republic, bronze medalist Ekaterina Tudegesheva of Russia and bronze medalist Nevin Galmarini of Switzerland pose after the presentation ceremonies. REUTERS/Albert Gea TPX IMAGES OF THE DAY

Snowboarding - FIS Snowboarding and Freestyle Skiing World Championships - Men's Parallel Giant Slalom - Sierra Nevada, Spain - 16/03/17 - Gold medalist Andreas Prommegger of Austria reacts before the presentation ceremony. REUTERS/Albert Gea

Snowboarding - FIS Snowboarding and Freestyle Skiing World Championships - Men's Parallel Giant Slalom - Sierra Nevada, Spain - 16/03/17 - Silver medalist Benjamin Karl of Austria, gold medalist Andreas Prommegger of Austria and bronze medalist Nevin Galmarini of Switzerland pose with their medals during the presentation ceremony. REUTERS/Albert Gea

Snowboarding - FIS Snowboarding and Freestyle Skiing World Championships - Men's Parallel Giant Slalom - Sierra Nevada, Spain - 16/03/17 - Gold medalist Andreas Prommegger of Austria during the presentation ceremony. REUTERS/Albert Gea

Snowboarding - FIS Snowboarding and Freestyle Skiing World Championships - Men's Parallel Giant Slalom - Sierra Nevada, Spain - 16/03/17 - Silver medalist Benjamin Karl of Austria, gold medalist Andreas Prommegger of Austria and bronze medalist Nevin Galmarini of Switzerland embrace during the presentation ceremony. REUTERS/Albert Gea

Snowboarding - FIS Snowboarding and Freestyle Skiing World Championships - Men's Parallel Giant Slalom - Sierra Nevada, Spain - 16/03/17 - Andreas Prommegger of Austria poses with his two gold medals. REUTERS/Albert Gea

Snowboarding - FIS Snowboarding and Freestyle Skiing World Championships - Men's Parallel Giant Slalom - Sierra Nevada, Spain - 16/03/17 - Andreas Prommegger of Austria and fellow countryman Benjamin Karl pose with their gold and silver medals won in the Men's Parallel Giant Slalom and the Men's Parallel Slalom. REUTERS/Albert Gea

Snowboarding - FIS Snowboarding and Freestyle Skiing World Championships - Men's Parallel Giant Slalom - Sierra Nevada, Spain - 16/03/17 - Silver medalist Benjamin Karl of Austria and fellow countryman and gold medalist Andreas Prommegger celebrate during the presentation ceremony. REUTERS/Albert Gea

Snowboarding - FIS Snowboarding and Freestyle Skiing World Championships - Men's Parallel Giant Slalom - Sierra Nevada, Spain - 16/03/17 - Gold medalist Andreas Prommegger of Austria celebrates during the presentation ceremony. REUTERS/Albert Gea TPX IMAGES OF THE DAY

Snowboarding - FIS Snowboarding and Freestyle Skiing World Championships - Men's Parallel Giant Slalom - Sierra Nevada, Spain - 16/03/17 - Silver medalist Benjamin Karl of Austria, gold medalist Andreas Prommegger of Austria and bronze medalist Nevin Galmarini of Switzerland celebrate during the presentation ceremony. REUTERS/Albert Gea

Snowboarding - FIS Snowboarding and Freestyle Skiing World Championships - Men's Parallel Giant Slalom - Sierra Nevada, Spain - 16/03/17 - Silver medalist Benjamin Karl of Austria, gold medalist Andreas Prommegger of Austria and bronze medalist Nevin Galmarini of Switzerland celebrate during the presentation ceremony. REUTERS/Albert Gea

Snowboarding - FIS Snowboarding and Freestyle Skiing World Championships - Men's Parallel Giant Slalom - Sierra Nevada, Spain - 16/03/17 - Gold medalist Andreas Prommegger of Austria celebrates during the presentation ceremony. REUTERS/Albert Gea

Snowboarding - FIS Snowboarding and Freestyle Skiing World Championships - Men's Parallel Giant Slalom - Sierra Nevada, Spain - 16/03/17 - Andreas Prommegger of Austria and Benjamin Karl of Austria in action at the finish line of the big final. REUTERS/Albert Gea

Snowboarding - FIS Snowboarding and Freestyle Skiing World Championships - Men's Parallel Giant Slalom - Sierra Nevada, Spain - 16/03/17 - Andreas Prommegger of Austria in action. REUTERS/Albert Gea

Snowboarding - FIS Snowboarding and Freestyle Skiing World Championships - Men's Parallel Giant Slalom - Sierra Nevada, Spain - 16/03/17 - Andreas Prommegger of Austria in action. REUTERS/Albert Gea

Snowboarding - FIS Snowboarding and Freestyle Skiing World Championships - Men's Parallel Giant Slalom - Sierra Nevada, Spain - 16/03/17 - Andreas Prommegger of Austria in action. REUTERS/Albert Gea

Snowboarding - FIS Snowboarding and Freestyle Skiing World Championships - Women's Snowboard Parallel Slalom - Sierra Nevada, Spain - 15/03/17 - Austria's gold medalists Daniela Ulbing and Andreas Prommegger show their medals after the podium ceremony. REUTERS/Albert Gea

Snowboarding - FIS Snowboarding and Freestyle Skiing World Championships - Men's Snowboard Parallel Slalom - Sierra Nevada, Spain - 15/03/17 - Gold medalist Andreas Prommegger of Austria bites his medal during the podium ceremony. REUTERS/Albert Gea

Snowboarding - FIS Snowboarding and Freestyle Skiing World Championships - Men's Snowboard Parallel Slalom - Sierra Nevada, Spain - 15/03/17 - Andreas Prommegger and compatriot Benjamin Karl of Austria compete in the final. REUTERS/Albert Gea

Snowboarding - FIS Snowboarding and Freestyle Skiing World Championships - Men's Snowboard Parallel Slalom - Sierra Nevada, Spain - 15/03/17 - Gold medalist Andreas Prommegger of Austria reacts after crossing the finish line. REUTERS/Albert Gea

Snowboarding - FIS Snowboarding and Freestyle Skiing World Championships - Men's Snowboard Parallel Slalom - Sierra Nevada, Spain - 15/03/17 - Gold medalist Andreas Prommegger of Austria (R) and silver medalist Benjamin Karl of Austria (L) are joined by compatriot and gold medalist Daniela Ulbing after the podium ceremony for the men's and women's races. REUTERS/Albert Gea

Snowboarding - FIS Snowboarding and Freestyle Skiing World Championships - Men's Snowboard Parallel Slalom - Sierra Nevada, Spain - 15/03/17 - Gold medalist Andreas Prommegger of Austria (R) and silver medalist Benjamin Karl of Austria (L) are joined by compatriot and gold medalist Daniela Ulbing after the podium ceremony for the men's and women's races. REUTERS/Albert Gea

Snowboarding - FIS Snowboarding and Freestyle Skiing World Championships - Men's Snowboard Parallel Slalom - Sierra Nevada, Spain - 15/03/17 - Gold medalist Andreas Prommegger of Austria (C) is flanked by silver medalist Benjamin Karl of Austria (R) amnd bronze medalist Andrey Sobolev of Russia. REUTERS/Albert Gea

Snowboarding - FIS Snowboarding and Freestyle Skiing World Championships - Men's Snowboard Parallel Slalom - Sierra Nevada, Spain - 15/03/17 - Gold medalist Andreas Prommegger of Austria (R) and silver medalist Benjamin Karl of Austria (L) are joined by compatriot and gold medalist Daniela Ulbing after the podium ceremony for the men's and women's races. REUTERS/Albert Gea

Snowboarding - FIS Snowboarding and Freestyle Skiing World Championships - Men's Snowboard Parallel Slalom - Sierra Nevada, Spain - 15/03/17 - Gold medalist Andreas Prommegger of Austria (R) and silver medalist Benjamin Karl of Austria (L) are joined by compatriot and gold medalist Daniela Ulbing after the podium ceremony for the men's and women's races. REUTERS/Albert Gea

Snowboarding - FIS Snowboarding and Freestyle Skiing World Championships - Men's Snowboard Parallel Slalom - Sierra Nevada, Spain - 15/03/17 - Gold medalist Andreas Prommegger of Austria (R) and silver medalist Benjamin Karl of Austria react on the podium. REUTERS/Albert Gea

Snowboarding - FIS Snowboarding and Freestyle Skiing World Championships - Men's Snowboard Parallel Slalom - Sierra Nevada, Spain - 15/03/17 - Gold medalist Andreas Prommegger of Austria reacts after crossing the finish line. REUTERS/Albert Gea

Snowboarding - FIS Snowboarding and Freestyle Skiing World Championships - Men's Snowboard Parallel Slalom - Sierra Nevada, Spain - 15/03/17 - Gold medalist Andreas Prommegger of Austria and silver medalist Benjamin Karl of Austria, compete in the final. REUTERS/Albert Gea

Snowboarding - FIS Snowboarding and Freestyle Skiing World Championships - Men's Snowboard Parallel Slalom - Sierra Nevada, Spain - 15/03/17 - Gold medalist Andreas Prommegger of Austria competes in the 1/4 final. REUTERS/Albert Gea

Austria's Andreas Prommegger competes during the men's snowboard parallel giant slalom finals at the 2014 Sochi Winter Olympic Games in Rosa Khutor February 19, 2014. REUTERS/Lucas Jackson (RUSSIA - Tags: OLYMPICS SPORT SNOWBOARDING)

Austria's Andreas Prommegger competes during the men's snowboard parallel giant slalom finals at the 2014 Sochi Winter Olympic Games in Rosa Khutor February 19, 2014. REUTERS/Mike Blake (RUSSIA - Tags: OLYMPICS SPORT SNOWBOARDING)

Austria's Andreas Prommegger competes during the men's snowboard parallel giant slalom qualification run at the 2014 Sochi Winter Olympic Games in Rosa Khutor February 19, 2014. REUTERS/Mike Blake (RUSSIA - Tags: OLYMPICS SPORT SNOWBOARDING)

Austria's Andreas Prommegger competes during the men's parallel slalom qualifications at the FIS Snowboard World Championships in Stoneham, Quebec, January 27, 2013. REUTERS/Mathieu Belanger (CANADA - Tags: SPORT SNOWBOARDING)

Austria's Andreas Prommegger reacts after falling during the men's parallel giant slalom semi-final at the FIS Snowboard World Championships in Stoneham, Quebec, January 25, 2013. REUTERS/Mathieu Belanger (CANADA - Tags: SPORT SNOWBOARDING)

Austria's Andreas Prommegger competes during the men's parallel giant slalom qualifications at the FIS Snowboard World Championships in Stoneham, Quebec, January 25, 2013. REUTERS/Mathieu Belanger (CANADA - Tags: SPORT SNOWBOARDING)

Austria's Andreas Prommegger competes during the men's parallel giant slalom qualifications at the FIS Snowboard World Championships in Stoneham, Quebec, January 25, 2013. REUTERS/Mathieu Belanger (CANADA - Tags: SPORT SNOWBOARDING)

Silver medalist Switzerland's Simon Schoch (L-R), gold medalist Italy's Roland Fischnaller and bronze medalist Austria's Andreas Prommegger pose on the podium after the men's Snowboard Parallel Giant Slalom at the FIS Snowboard World Cup competition in Moscow, March 3, 2012. REUTERS/Denis Sinyakov (RUSSIA - Tags: SPORT SNOWBOARDING)

Austria's Andreas Prommegger looks at the results after his run during the men's parallel slalom race at the FIS Snowboard World Cup competition in Stoneham, Quebec, February 22, 2012. Prommegger won the competition. REUTERS/Mathieu Belanger (CANADA - Tags: SPORT SNOWBOARDING)

Austria's Andreas Prommegger (R) celebrates on the podium with his compatriot Manuel Veith after the men's parallel slalom race at the FIS Snowboard World Cup competition in Stoneham, Quebec February 22, 2012. Prommegger won the competition and Veith finished second. REUTERS/Mathieu Belanger (CANADA - Tags: SPORT SNOWBOARDING)

Austria's Andreas Prommegger celebrates after winning the men's parallel slalom race at the FIS Snowboard World Cup competition in Stoneham, Quebec February 22, 2012. REUTERS/Mathieu Belanger (CANADA - Tags: SPORT SNOWBOARDING)

Austria's Andreas Prommegger competes during the men's parallel slalom race at the FIS Snowboard World Cup competition in Stoneham, Quebec February 22, 2012. Prommegger won the competition. REUTERS/Mathieu Belanger (CANADA - Tags: SPORT SNOWBOARDING)

Austria's Benjamin Karl (R) celebrates his victory with his compatriot Andreas Prommegger (L) after the men's parallel slalom race at the FIS Snowboard World Cup in Stoneham, Quebec, February 20, 2011. Karl won the competition and Prommegger finished second. REUTERS/Mathieu Belanger (CANADA - Tags: SPORT SNOWBOARDING)

Austria's Andreas Prommegger passes a gate during the men's Snowboard Parallel Slalom finals at the FIS Snowboard World Championships in La Molina January 22, 2011. The championships take place in Barcelona and La Molina from January 15 to 22. REUTERS/Albert Gea (SPAIN - Tags: SPORT SNOWBOARDING)

Austria's Andreas Prommegger passes a gate during the men's Snowboard Parallel Slalom finals at the FIS Snowboard World Championships in La Molina January 22, 2011. The championships take place in Barcelona and La Molina from January 15 to 22. REUTERS/Albert Gea (SPAIN - Tags: SPORT SNOWBOARDING)

Austria's Andreas Prommegger takes a curve during the Men's Parallel Giant Slalom at the FIS World Snowboarding Championships in Limone Piemonte, December 10, 2010. REUTERS/Alessandro Bianchi (ITALY - Tags: SPORT SNOWBOARDING)

First placed Benjamin Karl (C) of Austria, second placed Andreas Prommegger (L) and third placed Manuel Veith (R) celebrate at the end of their men's parallel giant slalom at the FIS World Snowboarding Championships in Limone Piemonte December 10, 2010. REUTERS/Alessandro Bianchi (ITALY
- Tags: SPORT SNOWBOARDING)

First placed Benjamin Karl (C) of Austria, second placed Andreas Prommegger (L) and third placed Manuel Veith pose on the podium during the awards ceremony of the men's parallel giant slalom at the FIS World Snowboarding Championships in Limone Piemonte December 10, 2010. REUTERS/Alessandro Bianchi (ITALY - Tags: SPORT SNOWBOARDING)

Jay Jasey Anderson of Canada celebrates his victory at the FIS World Cup men's Parallel Giant Slalom event at La Molina resort, near Alp March 21, 2010. Anderson won the FIS World Cup snowboard men's Parallel Giant Slalom event, Matthew Morison of Canada was second, and Andreas Prommegger of Austria third. REUTERS/Albert Gea (SPAIN - Tags: SPORT SNOWBOARDING)

(L-R) Mathew Morison of Canada, Jay Jasey Anderson of Canada and Andreas Prommegger of Austria celebrate at the FIS World Cup men's Parallel Giant Slalom podium event at La Molina resort, near Alp March 21, 2010. Anderson won the FIS World Cup snowboard men's Parallel Giant Slalom event, Morison of Canada was second, and Prommegger of Austria third. REUTERS/Albert Gea (SPAIN - Tags: SPORT SNOWBOARDING)

Jay Jasey Anderson of Canada competes during the FIS World Cup men's Parallel Giant Slalom event at La Molina resort, near Alp March 21, 2010. Anderson won the FIS World Cup snowboard men's Parallel Giant Slalom event, Mathew Morison of Canada was second, and Andreas Prommegger of Austria, third. REUTERS/Albert Gea (SPAIN - Tags: SPORT SNOWBOARDING)

Andreas Prommegger of Austria competes during the FIS World Cup men's Parallel Giant Slalom event at La Molina resort, near Alp March 21, 2010. Jay Jasey Anderson won the event, Mathew Morison of Canada second, and Prommegger third. REUTERS/Albert Gea (SPAIN - Tags: SPORT SNOWBOARDING)

Andreas Prommegger of Austria competes during the FIS World Cup men's Parallel Giant Slalom event at La Molina resort, near Alp March 21, 2010. Jay Jasey Anderson won the event, Mathew Morison of Canada second, and Prommegger third. REUTERS/Albert Gea (SPAIN - Tags: SPORT SNOWBOARDING)

Mathew Morison of Canada competes during the FIS World Cup men's Parallel Giant Slalom event at La Molina resort, near Alp March 21, 2010. Jay Jasey Anderson won the event, Morison was second, and Andreas Prommegger of Austria third. REUTERS/Albert Gea (SPAIN - Tags: SPORT SNOWBOARDING)