Daniel Yoo defeated Fritz Wolmarans 2-6 7-6 6-3 in the USA F21 round of 32 on hard. The upset overturned the form book — Fritz Wolmarans came in leading the head-to-head 2–0. Daniel Yoo claimed a first win over Fritz Wolmarans in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2006-07-31 | USA F20 | R16 | hard | Fritz Wolmarans | 6-1 3-6 6-4 |
| 2005-04-11 | USA F8 | R16 | hard | Fritz Wolmarans | 6-4 1-6 6-2 |
Averages over each player's completed matches in the selected window (22 vs 15). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About