GENEVA — Top-seeded Stan Wawrinka of Switzerland outlasted Lukas Rosol of the Czech Republic 6-4, 3-6, 6-3 in the second round of his home Geneva Open Tournament Wednesday. In the quarterfinals, Wawrinka will play 74th-ranked Federico Delbonis of Argentina, who beat Andrey Kuznetsov of Russia 6-3, 6-4. Third-seeded Pablo Andujar of Spain rallied from losing the first set to beat Adrian Mannarino of France 3-6, 7-6 (2), 6-2. Sixth-seeded Joao Sousa of Portugal advanced with a 6-4, 6-4 victory over Jurgen Melzer of Austria. Thomaz Bellucci of Brazil, a two-time champion of the clay-court Swiss Open at Gstaad, beat Denis Istomin of Uzbekistan 6-4, 6-4. US Open champion Marin Cilic saved a match point against 17-year-old Russian Andrey Rublev before winning 4-6, 7-6 (7), 6-1 Tuesday. Giraldo ousted another Russian, eighth-seeded Mikhail Youzhny, 6-4, 6-4. Former world No. 8 Janko Tipsarevic of Serbia, whose season stalled because of a foot injury, exited quickly as Denis Istomin of Uzbekistan won 6-0, 6-2. Keys battles into quarters Top seed Madison Keys staged a remarkable comeback to book her spot in the quarterfinals of the WTA Strasbourg Open Wednesday. The big-hitting 20-year-old got past Croatia's Mirjana Lucic-Baroni 4-6, 7-6 (7/3), 7-6 (7/0). She next plays France's Kristina Mladenovic who got past American Alison Riske 7-6 (7/4) as Russia's Elena Vesnina also advanced past fourth seed Alize Cornet of France 3-6, 6-0, 6-3. Simon withdraws Top-seeded Gilles Simon of France withdrew from the Open de Nice Wednesday, casting doubts over whether he will play at the French Open. Fourth-seeded Leonardo Mayer advanced to the last-eight with a 6-4, 6-0 win over French wild-card entry Lucas Pouille to set up a meeting against Juan Monaco. Dominic Thiem also progressed when sixth-seeded Nick Kyrgios retired with an elbow injury while trailing 4-3 in the first set. Next up for Thiem will be defending champion Ernests Gulbis of Latvia. — Agencies
