Mirko Pehar advanced when Jeff Williams retired 7-6 2-0 in the USA F18 round of 32. Mirko Pehar narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2006-07-08 | Newport | Q32 | grass | Mirko Pehar | 7-6(5) 6-1 |
| 2002-02-25 | USA F5 | R16 | hard | Jeff Williams | 7-6(7) 6-2 |
| 2001-11-12 | USA F26 | R32 | hard | Jeff Williams | 7-5 6-1 |