Tsonga Hits 44 Winners, Upsets Khachanov

Kyrgios, Opelka advance

Frenchman Jo-Wilfried Tsonga fought through a mid-match dip to upset second seed Karen Khachanov 6-4, 2-6, 7-5 on Tuesday at the Citi Open in Washington, D.C.

Tsonga was a swing away from being up a set and a break when Khachanov served at 4-6, 0-1, 0/40. But the Russian won five straight points and erased another 0/40 deficit on serve during the fourth game. Tsonga, in turn, lost his serve the very next game, and Khachanov ran away with the second set.

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But in the third, the 34-year-old Tsonga regrouped and neither big hitter faced a break point until Tsonga saw his match point, when Khachanov sailed a backhand long.

I played very good tennis, just really happy to go through this one. It's been a long time since I won against a Top 10 player. It's good for me. It's good to get some rewards when you're working well and you play some good matches,” Tsonga said.

The right-hander, No. 70 in the ATP Rankings, had never won a match in Washington before this week but will now play for a spot in the quarter-finals against Brit Kyle Edmund, who earned his 100th tour-level win with a 6-1, 6-4 victory against South African Lloyd Harris.

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American Reilly Opelka, who made the BB&T Atlanta Open semi-finals last week (l. to De Minaur), set up an intriguing matchup with #NextGenATP Canadian Felix Auger-Aliassime. Opelka, 21, saved all three break points faced to dismiss countryman Christopher Eubanks 6-4, 7-6(3). The ninth-seeded Auger-Aliassime, 18, received a bye.

The winner between Opelka and Auger-Aliassime will meet sixth seed Marin Cilic, who beat Romanian Marius Copil 7-6(4), 7-6(4). Lucky loser Peter Gojowczyk of Germany escaped past Hamburg European Open finalist Andrey Rublev 7-6(6), 4-6, 7-6(2) and will meet Atlanta champion Alex de Minaur of Australia.

In the final match of the day, Aussie Nick Kyrgios hit 15 aces and won 88 per cent of his first-serve points to hold off off American qualifier Thai-Son Kwiatkowski 7-5, 6-4.

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