Head to head
0
Hard
1
1
Grass
0
Gabriel Diallo's wins on the left · Ugo Humbert's on the right · bar lengths share one scale
All meetings (2)
| 2026 | Miami Masters | Hard | R64 | Ugo Humbert | 6-1 6-4 |
| 2025 | 's-Hertogenbosch | Grass | SF | Gabriel Diallo | 6-3 7-6(4) |
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.