Sjeng Schalken defeated Cecil Mamiit 6-2 6-2 in the Tokyo round of 16 on hard. The upset overturned the form book — Cecil Mamiit came in leading the head-to-head 1–0, defending last year's round of 32, but Sjeng Schalken had been the form player, winning 2 of their last 4 on hard. Sjeng Schalken claimed a first win over Cecil Mamiit in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2002-09-09 | Costa Do Sauipe | R16 | hard | Cecil Mamiit | 6-3 7-6(6) |
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 94). ATP, WTA & Challenger.