Head to head
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Hard
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Byron Black's wins on the left · Younes El Aynaoui's on the right · bar lengths share one scale
All meetings (2)
| 2000 | Miami Masters | Hard | R64 | Byron Black | 6-3 1-6 6-1 |
| 1999 | US Open | Hard | R128 | Younes El Aynaoui | 7-6(5) 6-4 6-2 |
Methodology
Head-to-head totals and surface splits exclude walkovers (no match was played), which follows ATP convention — walkover meetings still appear in the match list. The momentum chart plots the running lead across all counted meetings, oldest to newest.