John Isner fired 16 aces to advance to the quarterfinals of the BB&T Atlanta Open with a 4-6, 6-3, 6-4 victory over Ruben Bemelmans on Thursday night at Atlantic Station.
Because he was playing his first hard-court match since Miami in March, Isner said he didn’t feel comfortable early in he first set in which Bemelmans broke his second serve.
“I just told myself not to get too frustrated and to try to let the match run its course,” Isner said.
Isner bounced back, breaking Bemelmans’ first serve in each of the next two sets to take command. Isner, the No. 1 seed and a former standout at Georgia, will play 19-year-old Jack Sock on Friday, not before 9 p.m.
Isner is attempting to win his second consecutive tournament after taking the title in Newport, R.I. last week. He is one of four U.S. players in the BB&T who will represent the U.S. in the Olympics.
The match was delayed for 25 minutes between the second and third sets when a circuit breaker overheated in a bank of