Shanghai: Juan Martin del Potro and Jo-Wilfried Tsonga moved a step closer for qualifying for the ATP Finals with quarterfinal wins at the Shanghai Masters here on Friday.
Del Potro defeated Spain's Nicolas Almagro by 6-3, 6-3.
Tsonga beat Germany's Florian Mayer 6-2, 6-3.
Del Potro, who moved back into the top five in the rankings this week, can confirm a berth in the year-end championships by entering the final.
Tsonga is further back after missing several months with a knee injury, but he moved into the eighth and final qualifying spot with his win on Friday, just ahead of French compatriot Richard Gasquet.
Top-ranked Rafael Nadal and defending champion Novak Djokovic played their quarterfinals late Friday.
