Greg Ouellette defeated Stefan Kozlov 6-4 7-6 in the USA F31 qualifying round on clay. The upset overturned the form book — Stefan Kozlov came in leading the head-to-head 1–0. Greg Ouellette claimed a first win over Stefan Kozlov in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2015-05-04 | USA F15 | R32 | clay | Stefan Kozlov | 6-3 6-7(6) 7-5 |
Averages over each player's completed matches in the selected window (7 vs 199). ATP, WTA & Challenger.
Kozlov S.: 2 days rest · 3 matches, 74 games (7d). Higher means fresher. About
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About