Yong Il Yoon defeated Yen Hsun Lu 7-6 7-5 in the Japan F6 round of 32 on hard. The upset overturned the form book — Yen Hsun Lu came in leading the head-to-head 1–0. Yong Il Yoon claimed a first win over Yen Hsun Lu in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2002-10-28 | Hong Kong F2 | R16 | hard | Yen Hsun Lu | 7-6(3) 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.