Tag: Sumit Nagal
The 23-year-old continued his swing in the second set and increased his game by one notch without giving Istomin an inch.
Nagal defeated Istomin 6-4 6-7 (6) 6-4 in two hours and 34 minutes in 10th place at the Ariake Tennis Center to prepare for a second round with world number runner-up Daniil Medvedev.
The runner-up Taylor Fritz from the USA defeated Andrej Martin and reached the quarter-finals of the Sardegna Open.
Bopanna and his Japanese partner lost 4: 6: 6: 7 (0) to the Korean wildcard pair in one hour and 17 minutes.