French Open 2019: Stan Wawrinka to Face Roger Federer in Quarter-Finals
Switzerland's Stan Wawrinka outlasted Greece's Stefanos Tsitsipas 7-6 (8-6), 5-7, 6-4, 3-6, 8-6 in a marathon French Open fourth-round clash that lasted five hours and nine minutes, the longest match at this year's edition of the second Grand Slam event of the season.