Mario Rincon defeated Hyeong Keun Song 6-1 6-4 in the Japan Masters 4 semi-final on hard. The upset overturned the form book — Hyeong Keun Song came in leading the head-to-head 1–0. Mario Rincon claimed a first win over Hyeong Keun Song in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1995-11-06 | Japan Masters 3 | QF | hard | Hyeong Keun Song | 6-3 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.