Scott Griekspoor defeated Collin Altamirano 7-6 6-2 in the USA F9 qualifying round on hard. The upset overturned the form book — Collin Altamirano came in leading the head-to-head 1–0. Scott Griekspoor claimed a first win over Collin Altamirano in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2018-04-09 | USA F10 | R32 | hard | Collin Altamirano | 7-6(3) 6-3 |
Averages over each player's completed matches in the selected window (56 vs 78). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About