Jo-Wilfried Tsonga, Sam Querrey win
METZ, France -- Defending champion Jo-Wilfried Tsonga and American Sam Querrey advanced to the quarterfinals of the Moselle Open on Wednesday.
Tsonga defeated fellow Frenchman Edouard Roger-Vasselin 6-3, 6-4, and Querrey moved on when wild card Paul-Henri Mathieu retired with a right thigh injury while trailing 6-2.
Querrey broke Mathieu twice and served an ace to take the first set. Querrey will play another Frenchman in the next round, either second-seeded Gilles Simon or Kenny ...
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