Paris June 3 (IANS) German second seed Alexander Zverev fought hard on Sunday to beat Karen Khachanov of Russia 4-6 7-6 (7-4) 2-6 6-3 6-3 and advance to his maiden quarter-finals of the French Open tennis championships.
After a marathon match that lasted three hours and 29 minutes Zverev earned his best-ever result in a Grand Slam having previously made it as far as the last 16 round of Wimbledon in 2017 reports Efe.
The 21-year-old German is to face seventh-seed Dominic Thiem of Austria who beat 19th-seed Kei Nishikori of Japan 6-2 6-0 5-7 6-4.

--IANS kk/bg