Byron Black defeated Younes El Aynaoui 6-3 1-6 6-1 in the Miami Masters round of 64 on hard. The upset overturned the form book — Younes El Aynaoui came in leading the head-to-head 1–0, defending last year's round of 128. Byron Black claimed a first win over Younes El Aynaoui in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1999-08-30 | US Open | R128 | hard | Younes El Aynaoui | 7-6(5) 6-4 6-2 |
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 (71 vs 200). ATP, WTA & Challenger.