Daniel Yoo defeated Daniel Wendler 6-4 6-4 in the USA F21 round of 16 on hard. The upset overturned the form book — Daniel Wendler came in leading the head-to-head 1–0. Daniel Yoo claimed a first win over Daniel Wendler in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2005-09-19 | USA F23 | R16 | hard | Daniel Wendler | 6-2 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.