Oh Hee Kwon defeated Martin Slanar 6-2 6-4 in the China F6 qualifying round on hard. The upset overturned the form book — Martin Slanar came in leading the head-to-head 1–0. Oh Hee Kwon claimed a first win over Martin Slanar in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2004-11-01 | Thailand F2 | R16 | hard | Martin Slanar | 6-0 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.