Yen Hsun Lu defeated Takahiro Terachi 6-4 6-3 in the Tokyo q16 on hard. The upset overturned the form book — Takahiro Terachi came in defending last year's round of 32. Yen Hsun Lu extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2003-09-08 | Japan F7 | F | hard | Takahiro Terachi | 6-2 |
| 2002-09-09 | Japan F7 | F | hard | Yen Hsun Lu | 6-2 6-2 |
Averages over each player's completed matches in the selected window (200 vs 1). 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