article_snippet: Lesia Tsurenko emerged victorious from an epic late-night battle with sixth seed Eugenie Bouchard.
article_snippet: The Canadian, a Wimbledon finalist last summer, had to scrap to win the first set on a tie-break and could not keep Lesia Tsurenko under wraps as the world number 92 steadily turned the screw before clinching a 6-7 (5/7) 7-5 6-4 win after two hours and 50 minutes of play.
article_snippet: In the men's competition, second seed Roger Federer missed two match points but improved to take Roger Federer revenge on Andreas Seppi with a 6-3 6-4 win.
article_snippet: The Swiss master reached the last eight and a match-up with Jack Sock after dispatching the man who knocked Jack Sock out of the Australian Open in January.
article_snippet: Sock, the world number 58 from Nebraska, remains in the tournament thanks to his 3-6 6-3 6-2 victory over Roberto Bautista Agut.
article_snippet: second seed Roger Federer missed two match points before defeatiing Andreas Seppi 6-3 6-4 to reach the last eight .
article_snippet: The Spaniard had to steel second seed Roger Federer after surrendering the second set but The Spaniard would prevail 6-4 1-6 7-5, with Milos Raonic joining The Spaniard in the last eight following a 7-6 (7/2) 6-4 success against Alexandr Dolgopolov.
article_snippet: Third seed Rafael Nadal encountered few problems dispatching Donald Young 6-4 6-2 - Donald Young will now meet Gilles Simon, who removed qualifier Michael Berrer from contention with a 6-2 7-5 win - and Tomas Berdych made light work of Steve Johnson, winning 6-4 6-2.
article_snippet: A face-off with Lukas Rosol beckons after the Czech edged out Robin Haase 6-4 6-7 (4/7) 7-6 (7/3).