Tennis - Davis Cup Qualifiers - Croatia v India - Dom Sportova Hall in Zagreb, Croatia - March 7, 2020. Croatia's Marin Cilic in action against India's Sumit Nagal. REUTERS/Antonio Bronic

Tennis - Davis Cup Qualifiers - Croatia v India - Dom Sportova Hall in Zagreb, Croatia - March 7, 2020. Croatia's Marin Cilic celebrate after winning the match against India's Sumit Nagal. REUTERS/Antonio Bronic

Tennis - Davis Cup Qualifiers - Croatia v India - Dom Sportova Hall in Zagreb, Croatia - March 7, 2020. Croatia's Marin Cilic celebrate after winning the match against India's Sumit Nagal. REUTERS/Antonio Bronic

Tennis - Davis Cup Qualifiers - Croatia v India - Dom Sportova Hall in Zagreb, Croatia - March 7, 2020. Croatia's Marin Cilic celebrate with team mates after winning the match against India's Sumit Nagal. REUTERS/Antonio Bronic

Tennis - Davis Cup Qualifiers - Croatia v India - Dom Sportova Hall in Zagreb, Croatia - March 7, 2020. Croatia's Marin Cilic celebrate after winning the match against India's Sumit Nagal. REUTERS/Antonio Bronic

Tennis - Davis Cup Qualifiers - Croatia v India - Dom Sportova Hall in Zagreb, Croatia - March 7, 2020. India's Sumit Nagal in action against Croatia's Marin Cilic. REUTERS/Antonio Bronic

Tennis - Davis Cup Qualifiers - Croatia v India - Dom Sportova Hall in Zagreb, Croatia - March 7, 2020. Croatia's Marin Cilic reacts during his match against India's Sumit Nagal. REUTERS/Antonio Bronic

Tennis - Davis Cup Qualifiers - Croatia v India - Dom Sportova Hall in Zagreb, Croatia - March 7, 2020. Croatia's Marin Cilic in action against India's Sumit Nagal. REUTERS/Antonio Bronic

Tennis - Davis Cup Qualifiers - Croatia v India - Dom Sportova Hall in Zagreb, Croatia - March 7, 2020. Croatia's Marin Cilic in action against India's Sumit Nagal. REUTERS/Antonio Bronic

Tennis - Davis Cup Qualifiers - Croatia v India - Dom Sportova Hall in Zagreb, Croatia - March 7, 2020. Croatia's Marin Cilic in action against India's Sumit Nagal. REUTERS/Antonio Bronic

Tennis - Davis Cup Qualifiers - Croatia v India - Dom Sportova Hall in Zagreb, Croatia - March 7, 2020. Croatia's Marin Cilic in action against India's Sumit Nagal. REUTERS/Antonio Bronic

Tennis - Davis Cup Qualifiers - Croatia v India - Dom Sportova Hall in Zagreb, Croatia - March 7, 2020. India's Sumit Nagal in action against Croatia's Marin Cilic. REUTERS/Antonio Bronic

Tennis - Davis Cup Qualifiers - Croatia v India - Dom Sportova Hall in Zagreb, Croatia - March 7, 2020. India's Rohan Bopanna and Leander Paes celebrate after winning the match. REUTERS/Antonio Bronic

Tennis - Davis Cup Qualifiers - Croatia v India - Dom Sportova Hall in Zagreb, Croatia - March 7, 2020. India's Leander Paes celebrates with captain Rohit Rajpal after winning the match. REUTERS/Antonio Bronic

Tennis - Davis Cup Qualifiers - Croatia v India - Dom Sportova Hall in Zagreb, Croatia - March 7, 2020. India's Rohan Bopanna and Leander Paes celebrate after winning the match. REUTERS/Antonio Bronic

Tennis - Davis Cup Qualifiers - Croatia v India - Dom Sportova Hall in Zagreb, Croatia - March 7, 2020. Croatia's Mate Pavic and Franko Skugor react. REUTERS/Antonio Bronic

Tennis - Davis Cup Qualifiers - Croatia v India - Dom Sportova Hall in Zagreb, Croatia - March 7, 2020. India's Rohan Bopanna and Leander Paes react. REUTERS/Antonio Bronic

Tennis - Davis Cup Qualifiers - Croatia v India - Dom Sportova Hall in Zagreb, Croatia - March 7, 2020. Croatia's Mate Pavic and Franko Skugor in action. REUTERS/Antonio Bronic

Tennis - Davis Cup Qualifiers - Croatia v India - Dom Sportova Hall in Zagreb, Croatia - March 7, 2020. India's Rohan Bopanna and Leander Paes in action. REUTERS/Antonio Bronic

Tennis - Davis Cup Qualifiers - Croatia v India - Dom Sportova Hall in Zagreb, Croatia - March 7, 2020. India's Rohan Bopanna reacts. REUTERS/Antonio Bronic

Tennis - Davis Cup Qualifiers - Croatia v India - Dom Sportova Hall in Zagreb, Croatia - March 7, 2020. India's Rohan Bopanna and Leander Paes during the match. REUTERS/Antonio Bronic

Tennis - Davis Cup Qualifiers - Croatia v India - Dom Sportova Hall in Zagreb, Croatia - March 7, 2020. Croatia's Mate Pavic in action. REUTERS/Antonio Bronic

Tennis - Davis Cup Finals - Semi-Final - Caja Magica, Madrid, Spain - November 23, 2019 Spain's Rafael Nadal REUTERS/Sergio Perez

Tennis - Davis Cup Finals - Final - Caja Magica, Madrid, Spain - November 24, 2019 Spain's Rafael Nadal bites the trophy after winning the Davis Cup final REUTERS/Susana Verá

Tennis - Davis Cup Finals - Final - Caja Magica, Madrid, Spain - November 24, 2019 Spain's Rafael Nadal celebrates with team mates after winning the Davis Cup final REUTERS/Susana Vera

Tennis - Davis Cup Finals - Final - Caja Magica, Madrid, Spain - November 24, 2019 The Spain team celebrate with the trophy after winning the Davis Cup final REUTERS/Susana Vera

Tennis - Davis Cup Finals - Final - Caja Magica, Madrid, Spain - November 24, 2019 Spain's Rafael Nadal takes a selfie with team mates after winning the Davis Cup final REUTERS/Susana Vera TPX IMAGES OF THE DAY

Tennis - Davis Cup Finals - Final - Caja Magica, Madrid, Spain - November 24, 2019 Spain's Rafael Nadal bites the trophy after winning the Davis Cup final REUTERS/Susana Vera

Tennis - Davis Cup Finals - Final - Caja Magica, Madrid, Spain - November 24, 2019 The Spain team celebrate with the trophy after winning the Davis Cup final REUTERS/Susana Vera

Tennis - Davis Cup Finals - Final - Caja Magica, Madrid, Spain - November 24, 2019 The Spain team celebrate with the trophy after winning the Davis Cup final REUTERS/Susana Vera

Tennis - Davis Cup Finals - Final - Caja Magica, Madrid, Spain - November 24, 2019 Spain's Roberto Bautista Agut celebrates with the trophy and team mates after winning the Davis Cup final REUTERS/Susana Vera

Tennis - Davis Cup Finals - Final - Caja Magica, Madrid, Spain - November 24, 2019 Spain's Roberto Bautista Agut celebrates with the trophy and team mates after winning the Davis Cup final REUTERS/Susana Vera

Tennis - Davis Cup Finals - Final - Caja Magica, Madrid, Spain - November 24, 2019 Spain's Rafael Nadal bites the trophy after winning the Davis Cup final REUTERS/Susana Vera

Tennis - Davis Cup Finals - Final - Caja Magica, Madrid, Spain - November 24, 2019 Spain's Rafael Nadal celebrates with the trophy and team mates after winning the Davis Cup final REUTERS/Susana Vera

Tennis - Davis Cup Finals - Final - Caja Magica, Madrid, Spain - November 24, 2019 Spain's Rafael Nadal takes a selfie with team mates after winning the Davis Cup final REUTERS/Sergio Perez

Tennis - Davis Cup Finals - Final - Caja Magica, Madrid, Spain - November 24, 2019 Spain's Roberto Bautista Agut celebrates with the trophy and team mates after winning the Davis Cup final REUTERS/Sergio Perez

Tennis - Davis Cup Finals - Final - Caja Magica, Madrid, Spain - November 24, 2019 Spain's Rafael Nadal takes a selfie with team mates after winning the Davis Cup final REUTERS/Susana Vera

Tennis - Davis Cup Finals - Final - Caja Magica, Madrid, Spain - November 24, 2019 Spain's Rafael Nadal drinks champagne out of the trophy after winning the Davis Cup final REUTERS/Susana Vera

Tennis - Davis Cup Finals - Final - Caja Magica, Madrid, Spain - November 24, 2019 Spain's Rafael Nadal pours champagne in to the trophy after winning the Davis Cup final REUTERS/Susana Vera

Tennis - Davis Cup Finals - Final - Caja Magica, Madrid, Spain - November 24, 2019 Spain's Rafael Nadal celebrates with the trophy and team mates after winning the Davis Cup REUTERS/Sergio Perez

Tennis - Davis Cup Finals - Final - Caja Magica, Madrid, Spain - November 24, 2019 The Spain team lifts the trophy as King Felipe VI applauds after winning the Davis Cup REUTERS/Susana Vera

Tennis - Davis Cup Finals - Final - Caja Magica, Madrid, Spain - November 24, 2019 Spain's Rafael Nadal celebrates with the trophy and team mates after winning the Davis Cup REUTERS/Sergio Perez

Tennis - Davis Cup Finals - Final - Caja Magica, Madrid, Spain - November 24, 2019 The Spain team celebrate with the trophy after winning the Davis Cup REUTERS/Sergio Perez

Tennis - Davis Cup Finals - Final - Caja Magica, Madrid, Spain - November 24, 2019 The Spain team celebrate with the trophy after winning the Davis Cup REUTERS/Sergio Perez

Tennis - Davis Cup Finals - Final - Caja Magica, Madrid, Spain - November 24, 2019 Spain's Rafael Nadal celebrates with the trophy and team mates after winning the Davis Cup REUTERS/Sergio Perez

Tennis - Davis Cup Finals - Final - Caja Magica, Madrid, Spain - November 24, 2019 The Spain team with King Felipe VI after winning the Davis Cup REUTERS/Sergio Perez

Tennis - Davis Cup Finals - Final - Caja Magica, Madrid, Spain - November 24, 2019 Spain's Rafael Nadal celebrate with the trophy and team mates after winning the Davis Cup final REUTERS/Susana Vera

Tennis - Davis Cup Finals - Final - Caja Magica, Madrid, Spain - November 24, 2019 Spain's Rafael Nadal celebrate with the trophy and team mates after winning the Davis Cup final REUTERS/Susana Vera

Tennis - Davis Cup Finals - Final - Caja Magica, Madrid, Spain - November 24, 2019 The Spain team celebrate with the trophy after winning the Davis Cup final REUTERS/Susana Vera

Tennis - Davis Cup Finals - Final - Caja Magica, Madrid, Spain - November 24, 2019 The Spain team celebrate with the trophy after winning the Davis Cup final REUTERS/Susana Vera

Tennis - Davis Cup Finals - Final - Caja Magica, Madrid, Spain - November 24, 2019 The Spain team celebrate with the trophy after winning the Davis Cup final REUTERS/Susana Vera

Tennis - Davis Cup Finals - Final - Caja Magica, Madrid, Spain - November 24, 2019 The Spain team celebrate with the trophy after winning the Davis Cup final REUTERS/Susana Vera

Tennis - Davis Cup Finals - Final - Caja Magica, Madrid, Spain - November 24, 2019 The Spain team celebrate with the trophy after winning the Davis Cup final REUTERS/Susana Vera

Tennis - Davis Cup Finals - Final - Caja Magica, Madrid, Spain - November 24, 2019 The Spain team celebrate with the trophy after winning the Davis Cup final as the Canada team looks on REUTERS/Susana Vera

Tennis - Davis Cup Finals - Final - Caja Magica, Madrid, Spain - November 24, 2019 The Spain team celebrate with the trophy after winning the Davis Cup final REUTERS/Susana Vera

Tennis - Davis Cup Finals - Final - Caja Magica, Madrid, Spain - November 24, 2019 The Spain team celebrate with the trophy after winning the Davis Cup final REUTERS/Susana Vera

Tennis - Davis Cup Finals - Final - Caja Magica, Madrid, Spain - November 24, 2019 The Spain team celebrate with the trophy after winning the Davis Cup REUTERS/Sergio Perez

Tennis - Davis Cup Finals - Final - Caja Magica, Madrid, Spain - November 24, 2019 Spain's Rafael Nadal and captain Sergi Bruguera lift their trophies with team mates after winning the Davis Cup REUTERS/Sergio Perez

Tennis - Davis Cup Finals - Final - Caja Magica, Madrid, Spain - November 24, 2019 The Spain team lifts the trophy as King Felipe VI applauds after winning the Davis Cup REUTERS/Sergio Perez

Tennis - Davis Cup Finals - Final - Caja Magica, Madrid, Spain - November 24, 2019 Spain's Rafael Nadal with King Felipe VI during the trophy presentation after winning the Davis Cup REUTERS/Sergio Perez