Yong Il Yoon defeated Suwandi Suwandi 6-2 6-0 in the Chinese Taipei Masters 4 qualifying round on hard. Yong Il Yoon extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2001-04-06 | Davis Cup G1 PO: KOR vs INA | RR | hard | Yong Il Yoon | 6-3 7-6 6-2 |
| 1997-04-07 | Malaysia 1 Masters 1 | QF | hard | Suwandi Suwandi | 6-3 7-6 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.