Yasufumi Yamamoto defeated Seung Ho Ji 6-2 6-1 in the Malaysia 2 Masters 3 qualifying round on hard. The upset overturned the form book — Seung Ho Ji came in leading the head-to-head 1–0. Yasufumi Yamamoto claimed a first win over Seung Ho Ji in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1992-07-13 | Malaysia 2 Masters 3 | R32 | hard | Seung Ho Ji | 6-4 6-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.