Following are Friday's results from the fifth day of the ATP Metz Open in Metz, France, Xinhua reports.
Quarter-finals:
1-Jo-Wilfried Tsonga, France, bt Tobias Kamke, Germany, 4-6, 6- 3, 6-4
Nicolas Mahut, France, bt Benjamin Becker, Germany, 6-2, 6-4
2-Gilles Simon, France, bt 6-Sam Querrey, United States, 6-4, 7- 6 (7-1)
8-Florian Mayer, Germany, bt Carlos Berlocq, Argentina, 5-7, 6- 4, 7-5