Denis Zivkovic defeated Robert Yim 6-3 5-7 6-2 in the USA F26 round of 32 on hard. The upset overturned the form book — Robert Yim came in leading the head-to-head 2–0, but Denis Zivkovic had been the form player, winning 1 of their last 4 on hard. Denis Zivkovic claimed a first win over Robert Yim in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2007-07-02 | USA F16 | R16 | clay | Robert Yim | 6-2 6-4 |
| 2003-11-10 | USA F31 | R32 | hard | Robert Yim | 6-3 6-3 |