Martin Damm Sr defeated John Van Lottum 6-4 6-4 in the s Hertogenbosch round of 16 on grass. The upset overturned the form book — John Van Lottum came in leading the head-to-head 1–0. Martin Damm Sr claimed a first win over John Van Lottum in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2001-06-18 | s Hertogenbosch | R32 | grass | John Van Lottum | 7-5 7-6(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 (110 vs 145). ATP, WTA & Challenger.