![Marcelo Melo of Brazil, left, and Lukasz Kubot of Poland react while competing against Oliver Marach of Austria and Mate Pavic of Croatia in the men's doubles final in the China Open Marcelo Melo of Brazil, left, and Lukasz Kubot of Poland react while competing against Oliver Marach of Austria and Mate Pavic of Croatia in the men's doubles final in the China Open](https://c8.alamy.com/compfr/2mmd5tw/marcelo-melo-of-brazil-left-and-lukasz-kubot-of-poland-react-while-competing-against-oliver-marach-of-austria-and-mate-pavic-of-croatia-in-the-mens-doubles-final-in-the-china-open-at-the-national-tennis-center-in-beijing-sunday-oct-7-2018-ap-photo-mark-schiefelbein-2mmd5tw.jpg)
Marcelo Melo of Brazil, left, and Lukasz Kubot of Poland react while competing against Oliver Marach of Austria and Mate Pavic of Croatia in the men's doubles final in the China Open
![Lukasz Kubot of Poland and Marcelo Melo of Brazil return to Wesley Koolhof of the Netherlands and Nikola Mektic of Croatia during their doubles tennis match at the ATP World Finals tennis Lukasz Kubot of Poland and Marcelo Melo of Brazil return to Wesley Koolhof of the Netherlands and Nikola Mektic of Croatia during their doubles tennis match at the ATP World Finals tennis](https://c8.alamy.com/comp/2MFK5PA/lukasz-kubot-of-poland-and-marcelo-melo-of-brazil-return-to-wesley-koolhof-of-the-netherlands-and-nikola-mektic-of-croatia-during-their-doubles-tennis-match-at-the-atp-world-finals-tennis-tournament-at-the-o2-arena-in-london-thursday-nov-19-2020-ap-photofrank-augstein-2MFK5PA.jpg)
Lukasz Kubot of Poland and Marcelo Melo of Brazil return to Wesley Koolhof of the Netherlands and Nikola Mektic of Croatia during their doubles tennis match at the ATP World Finals tennis
![Lukasz Kubot / Alicja Rosolska - Jessica Pegula / Taylor Fritz Live - United Cup: Tennis Scores & Highlights - 07/01/2023 Lukasz Kubot / Alicja Rosolska - Jessica Pegula / Taylor Fritz Live - United Cup: Tennis Scores & Highlights - 07/01/2023](https://i.eurosport.com/2023/01/02/3517681-71700788-2560-1440.jpg)