Head to head
2
Hard
1
0
Grass
1
Lionel Roux's wins on the left · Alex O'Brien's on the right · bar lengths share one scale
All meetings (4)
| 1997 | Nottingham | Grass | R32 | Alex O'Brien | 6-4 6-3 |
| 1996 | Tokyo | Hard | R64 | Lionel Roux | 7-5 5-7 6-3 |
| 1996 | San Jose | Hard | R32 | Lionel Roux | 3-6 6-3 6-2 |
| 1995 | Cincinnati Masters | Hard | R64 | Alex O'Brien | 6-2 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.