Jiri Vanek defeated Jong Sam Chung 7-6 2-6 6-3 in the Philippines Masters 4 round of 32 on hard. The upset overturned the form book — Jong Sam Chung came in leading the head-to-head 1–0. Jiri Vanek claimed a first win over Jong Sam Chung in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1996-02-13 | Phillipines Masters 2 | R32 | hard | Jong Sam Chung | 6-3 5-0 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.