Kenneth Carlsen defeated John Van Lottum 7-5 6-1 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, defending last year's round of 16. Kenneth Carlsen 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 |
|---|---|---|---|---|---|
| 1999-08-16 | Washington | R32 | hard | John Van Lottum | 6-4 1-6 7-6(5) |
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 109). ATP, WTA & Challenger.