Izak Van Der Merwe defeated Adam Fass 6-3 6-1 in the USA F27 round of 16 on hard. The upset overturned the form book — Adam Fass came in leading the head-to-head 1–0. Izak Van Der Merwe claimed a first win over Adam Fass in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2005-06-27 | USA F15 | R32 | clay | Adam Fass | 7-6(3) 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.