Koepfer d. Sandgren

Koepfer beat Sandgren 6-2, 7-6(5) in the second round at the Winston-Salem Open - Winston-Salem. Koepfer won 75 of 132 points (57%). Koepfer hit 4 aces to 7 and won 89% of points behind the first serve (32/36) against 67% for Sandgren. The second serve told: 57% won for Koepfer, 42% for Sandgren. Koepfer converted 2 of 10 break points and saved 0 of 0 faced; Sandgren converted 0 of 0. The match was played on hard in United States.