Collin Altamirano defeated Scott Griekspoor 7-6 6-3 in the USA F10 round of 32 on hard. The upset overturned the form book — Scott Griekspoor came in leading the head-to-head 1–0. Collin Altamirano claimed a first win over Scott Griekspoor in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2018-04-02 | USA F9 | QF | hard | Scott Griekspoor | 7-6(1) 6-2 |
Averages over each player's completed matches in the selected window (78 vs 56). 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