Mark Merklein defeated Wayne Black 7-5 6-3 in the USA 3 Masters 1 final on hard. The upset overturned the form book — Wayne Black came in leading the head-to-head 1–0. Mark Merklein claimed a first win over Wayne Black in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-05-04 | Coral Springs | R32 | clay | Wayne Black | 6-3 6-2 |
Averages over each player's completed matches in the selected window (11 vs 111). 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