Daniel Wendler defeated Daniel Yoo 6-2 6-2 in the USA F23 round of 16 on hard. The upset overturned the form book — Daniel Yoo came in leading the head-to-head 1–0, but Daniel Wendler had been the form player, winning 3 of their last 8 on hard. Daniel Wendler claimed a first win over Daniel Yoo in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2006-08-07 | USA F21 | R16 | hard | Daniel Yoo | 6-4 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.