Tennis - WTA Premier - Aegon International - Eastbourne, Britain - June 30, 2017 Serbia's Novak Djokovic celebrates winning his semi final match against Russia's Daniil Medvedev Action Images via Reuters/Matthew Childs 

Tennis - WTA Premier - Aegon International - Eastbourne, Britain - June 30, 2017 Serbia's Novak Djokovic celebrates winning his semi final match against Russia's Daniil Medvedev Action Images via Reuters/Matthew Childs 

Tennis - WTA Premier - Aegon International - Eastbourne, Britain - June 30, 2017 Serbia's Novak Djokovic celebrates winning his semi final match against Russia's Daniil Medvedev Action Images via Reuters/Matthew Childs 

Tennis - WTA Premier - Aegon International - Eastbourne, Britain - June 30, 2017 Serbia's Novak Djokovic celebrates winning his semi final match against Russia's Daniil Medvedev Action Images via Reuters/Matthew Childs 

Tennis - WTA Premier - Aegon International - Eastbourne, Britain - June 30, 2017 Serbia's Novak Djokovic celebrates winning his semi final match against Russia's Daniil Medvedev Action Images via Reuters/Matthew Childs 

Tennis - WTA Premier - Aegon International - Eastbourne, Britain - June 30, 2017 Serbia's Novak Djokovic in action during his semi final match against Russia's Daniil Medvedev Action Images via Reuters/Matthew Childs 

Tennis - WTA Premier - Aegon International - Eastbourne, Britain - June 30, 2017 Serbia's Novak Djokovic in action during his semi final match against Russia's Daniil Medvedev Action Images via Reuters/Matthew Childs 

Tennis - WTA Premier - Aegon International - Eastbourne, Britain - June 30, 2017 Russia's Daniil Medvedev in action during his semi final match against Serbia's Novak Djokovic Action Images via Reuters/Matthew Childs 

Tennis - WTA Premier - Aegon International - Eastbourne, Britain - June 30, 2017 Serbia's Novak Djokovic in action during his semi final match against Russia's Daniil Medvedev Action Images via Reuters/Matthew Childs 

Tennis - WTA Premier - Aegon International - Eastbourne, Britain - June 30, 2017 Russia's Daniil Medvedev in action during his semi final match against Serbia's Novak Djokovic Action Images via Reuters/Matthew Childs 

Tennis - WTA Premier - Aegon International - Eastbourne, Britain - June 30, 2017 Serbia's Novak Djokovic in action during his semi final match against Russia's Daniil Medvedev Action Images via Reuters/Matthew Childs 

Tennis - WTA Premier - Aegon International - Eastbourne, Britain - June 30, 2017 Serbia's Novak Djokovic in action during his semi final match against Russia's Daniil Medvedev Action Images via Reuters/Matthew Childs 

Tennis - WTA Premier - Aegon International - Eastbourne, Britain - June 30, 2017 Serbia's Novak Djokovic in action during his semi final match against Russia's Daniil Medvedev Action Images via Reuters/Matthew Childs 

Tennis - WTA Premier - Aegon International - Eastbourne, Britain - June 30, 2017 Russia's Daniil Medvedev in action during his semi final match against Serbia's Novak Djokovic Action Images via Reuters/Matthew Childs 

Tennis - WTA Premier - Aegon International - Eastbourne, Britain - June 30, 2017 Serbia's Novak Djokovic in action during his semi final match against Russia's Daniil Medvedev Action Images via Reuters/Matthew Childs 

Tennis - WTA Premier - Aegon International - Eastbourne, Britain - June 30, 2017 Serbia's Novak Djokovic in action during his semi final match against Russia's Daniil Medvedev Action Images via Reuters/Matthew Childs 

Tennis - WTA Premier - Aegon International - Eastbourne, Britain - June 30, 2017 Serbia's Novak Djokovic in action during his semi final match against Russia's Daniil Medvedev Action Images via Reuters/Matthew Childs 

Tennis - WTA Premier - Aegon International - Eastbourne, Britain - June 30, 2017 Serbia's Novak Djokovic in action during his semi final match against Russia's Daniil Medvedev Action Images via Reuters/Matthew Childs 

Tennis - WTA Premier - Aegon International - Eastbourne, Britain - June 30, 2017 Serbia's Novak Djokovic in action during his semi final match against Russia's Daniil Medvedev Action Images via Reuters/Matthew Childs 

Actor Matthew Medvedev, nominee for the best new performer award, attends the Hong Kong Film Awards in Hong Kong April 15, 2007. REUTERS/Paul Yeung (CHINA)