France's Jo-Wilfried Tsonga defeated his first top-10 rival in nearly two years, ousting Russian second seed Karen Khachanov 6-4 2-6 7-5 at the ATP Washington Open.
The 34-year-old Frenchman, ranked 70th in the world, on Tuesday outlasted eighth-ranked Khachanov after one hour and 58 minutes, turning back the clock to reach the third round of the US Open hardcourt tuneup event.
"I played very good tennis," Tsonga said.
"Everything went OK. Just very happy to go through. It's good to see some results for all the hard work."
"Sometimes you lose your personality. I try to keep it and bring it back on court. When you are like this, it's a lot better."
"Unfortunately at the end of my match I felt a tweak in my foot. In the interest of making sure I can play my next match to the fullest, I will be getting my foot checked out." '
"We just started with him. I don't want to make any official announcement yet. But he started to help me two weeks ago. Hopefully he can join the team."
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