Yohny Romero defeated Donald Young 6-1 6-3 in the USA F4 qualifying round on hard. The upset overturned the form book — Donald Young came in leading the head-to-head 1–0, but Yohny Romero had been the form player, winning 5 of their last 9 on hard. Yohny Romero claimed a first win over Donald Young in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2006-02-27 | USA F5 | R32 | hard | Donald Young | 4-6 6-4 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.