Summary
German second seed Alexander Zverev and Novak Djokovic edged closer to a possible French Open semifinal clash of generations, with the youngster edging out Karen Khachanov and the former champion seeing off Fernando Verdasco in the last 16 Sunday. Zverev, 21, claimed his third successive comeback win in five sets to reach his first Grand Slam quarterfinal, beating Russian Khachanov 4-6, 7-6 (4), 2-6, 6-3, 6-3 .
Djokovic eased past Spanish veteran Verdasco 6-3, 6-4, 6-2 and will play in the last eight at Roland Garros for a record 12th time.
The 12-time Grand Slam champion took the first two sets by a single break of serve and raced through the third as 34-year-old Verdasco ended with 48 unforced errors.
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