Marseille - Jo-Wilfried Tsonga advanced to the quarter-finals of the Open 13 by beating Nicolas Mahut 6-3, 6-2 on Wednesday.
The top-seeded Frenchman did not face any break points, winning 36 of his 41 service points.
Tsonga took a 3-0 lead in the first set and broke Mahut twice in the second. He will next play Edouard Roger-Vasselin, who defeated Flavio Cipolla of Italy 6-3, 6-0.
Roger-Vasselin won the last eight games and broke Cipolla three times in each set.
In the first round, Alexandr Dolgopolov rallied to beat Lukas Rosol of the Czech Republic 2-6, 7-6 (7/1), 6-3. The sixth-seeded Ukrainian broke for a 3-1 lead in the final set and will next face Michael Llodra of France, who defeated Swiss qualifier Marco Chiudinelli 7-6 (7/2), 7-6 (7/3).
Llodra, a 2010 champion, had 12 aces in his victory.