John Van Lottum defeated Mariano Zabaleta 7-5 6-4 in the Amersfoort round of 32 on clay. The result followed the form book — John Van Lottum came in leading the head-to-head 1–0. John Van Lottum extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1999-02-15 | Memphis | R32 | hard | John Van Lottum | 6-1 6-3 |
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 (48 vs 200). ATP, WTA & Challenger.