Kentaro Masuda defeated Tasuku Iwami 7-5 6-2 in the China F1 round of 32 on hard. The upset overturned the form book — Tasuku Iwami came in leading the head-to-head 2–0. Kentaro Masuda claimed a first win over Tasuku Iwami in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2002-09-09 | Japan F7 | R16 | hard | Tasuku Iwami | 6-7(2) 6-3 7-6(4) |
| 2002-09-02 | Japan F6 | SF | hard | Tasuku Iwami | 6-7(3) 6-4 7-6(1) |
Averages over each player's completed matches in the selected window (1 vs 4). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. Small sample — read as indicative. About