FACTBOX-Tennis-Stefanos Tsitsipas v Stan Wawrinka

A look at the records of Greece's Stefanos Tsitsipas and Swiss Stan Wawrinka before their fourth-round match at the French Open on Sunday (prefix number denotes seeding): 6-STEFANOS TSITSIPAS

Age: 20 ATP Ranking: 6 (Highest ranking: 6)

Grand Slam titles: 0 2018 French Open performance: Second round

Best French Open performance: Fourth round (2019) Tsitsipas began his French Open campaign with a convincing win over German Maximilian Marterer before the Greek youngster was tested by Bolivia's Hugo Dellien and Serbia' Filip Krajinovic.

Tsitsipas stepped up his clay court season with a title triumph in Estoril, followed by a run to the Madrid Open final where he was beaten by Novak Djokovic. 24-STAN WAWRINKA

Age: 34 ATP Ranking: 28 (Highest ranking: 3)

Grand Slam titles: 3 (2014 Australian Open, 2015 French Open, 2016 U.S. Open) 2018 French Open performance: First round

Best French Open performance: Winner (2015) Wawrinka kicked off his Roland Garros campaign with a hard-fought win over Slovak Jozef Kovalík before showing signs of his brilliant best to put away Cristian Garin and Grigor Dimitrov for a last-16 spot.

Heading into Paris, the Swiss reached the Madrid Open quarter-finals before suffering early exits in Rome and Geneva.