Luka Gregorc defeated Robert Yim 6-3 6-1 in the USA F11 round of 32 on clay. The upset overturned the form book — Robert Yim came in leading the head-to-head 1–0. Luka Gregorc claimed a first win over Robert Yim in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2003-07-28 | Los Angeles | Q16 | hard | Robert Yim | 6-4 4-6 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.