Wayne Black defeated Martin Damm Sr 7-6 6-7 6-3 in the Ostrava quarter-final on carpet. The upset overturned the form book — Martin Damm Sr came in leading the head-to-head 1–0, defending last year's round of 16. Wayne Black claimed a first win over Martin Damm Sr in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-07-27 | Los Angeles | R32 | hard | Martin Damm Sr | 2-6 7-5 6-0 |
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Averages over each player's completed matches in the selected window (100 vs 110). ATP, WTA & Challenger.