Yen Hsun Lu defeated Michihisa Onoda 4-6 6-3 6-4 in the Japan F6 qualifying round on hard. The result followed the form book — Yen Hsun Lu came in leading the head-to-head 2–0. Yen Hsun Lu extended the head-to-head to 3–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2003-09-08 | Japan F7 | QF | hard | Yen Hsun Lu | 6-1 6-2 |
| 2002-05-27 | Japan F5 | R16 | hard | Yen Hsun Lu | 6-0 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.