John Van Lottum defeated Michael Kohlmann 6-4 6-2 in the Singapore round of 16 on hard. The upset overturned the form book — Michael Kohlmann came in leading the head-to-head 1–0. John Van Lottum claimed a first win over Michael Kohlmann in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1999-04-26 | Munich | R32 | clay | Michael Kohlmann | 7-5 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 (145 vs 69). ATP, WTA & Challenger.