Younes El Aynaoui defeated Byron Black 7-6 6-4 6-2 in the US Open round of 128 on hard. The upset overturned the form book — Byron Black came in leading the head-to-head 1–0, defending last year's round of 32. Younes El Aynaoui claimed a first win over Byron Black in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2000-03-20 | Miami Masters | R64 | hard | Byron Black | 6-3 1-6 6-1 |
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Averages over each player's completed matches in the selected window (200 vs 118). ATP, WTA & Challenger.