Byron Black defeated Martin Damm Sr 6-4 6-4 in the Beijing round of 32 on hard. The upset overturned the form book — Martin Damm Sr came in leading the head-to-head 2–1. Byron Black narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1999-08-16 | Washington | R64 | hard | Martin Damm Sr | 6-2 6-2 |
| 1998-11-09 | Moscow | R32 | hard | Byron Black | 6-2 6-3 |
| 1998-10-19 | Ostrava | R32 | carpet | Martin Damm Sr | 5-7 6-2 6-4 |
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 (200 vs 157). ATP, WTA & Challenger.