Nicolas Kiefer defeated John Van Lottum 7-5 6-2 in the Washington round of 16 on hard. The upset overturned the form book — John Van Lottum came in leading the head-to-head 1–0, defending last year's round of 64. Nicolas Kiefer 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 |
|---|---|---|---|---|---|
| 1998-06-15 | s Hertogenbosch | R32 | grass | John Van Lottum | 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 (200 vs 109). ATP, WTA & Challenger.