Rhyne Williams defeated Denis Zivkovic 6-4 2-6 6-2 in the Canada F6 round of 32 on hard. Rhyne Williams extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2010-07-05 | USA F17 | SF | clay | Rhyne Williams | 6-2 6-7(0) 6-4 |
| 2009-05-11 | USA F11 | R32 | clay | Denis Zivkovic | 2-6 7-5 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.