Martin Damm Sr defeated Thomas Johansson 6-7 7-6 6-3 in the Munich round of 32 on clay. The upset overturned the form book — Thomas Johansson came in leading the head-to-head 4–1. Martin Damm Sr narrowed the head-to-head to 4–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-10-26 | Stuttgart Masters | R64 | carpet | Thomas Johansson | 5-7 6-3 6-2 |
| 1998-02-16 | Antwerp | R16 | hard | Thomas Johansson | 6-2 6-4 |
| 1997-06-09 | Halle | R32 | grass | Martin Damm Sr | 6-1 6-3 |
| 1997-03-10 | Copenhagen | F | carpet | Thomas Johansson | 6-4 3-6 6-2 |
| 1997-01-13 | Australian Open | R128 | hard | Thomas Johansson | 6-4 6-2 1-6 6-7(2) 6-2 |
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 (40 vs 200). ATP, WTA & Challenger.