Seung Ho Ji defeated Yasufumi Yamamoto 6-4 6-1 in the Malaysia 2 Masters 3 round of 32 on hard. The upset overturned the form book — Yasufumi Yamamoto came in leading the head-to-head 1–0, but Seung Ho Ji had been the form player, winning 4 of their last 9 on hard. Seung Ho Ji claimed a first win over Yasufumi Yamamoto in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1993-07-18 | Malaysia 2 Masters 3 | QF | hard | Yasufumi Yamamoto | 6-2 6-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.