Nathan Thompson defeated Izak Van Der Merwe 6-3 6-4 in the USA F5 round of 16 on hard. The upset overturned the form book — Izak Van Der Merwe came in leading the head-to-head 1–0, but Nathan Thompson had been the form player, winning 5 of their last 10 on hard. Nathan Thompson claimed a first win over Izak Van Der Merwe in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2006-06-19 | Thailand F3 | SF | hard | Izak Van Der Merwe | 6-4 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.