Head to head
1
Hard
1
Gustavo Kuerten's wins on the left · Alex O'Brien's on the right · bar lengths share one scale
All meetings (2)
| 1998 | New Haven | Hard | R32 | Gustavo Kuerten | 6-3 6-2 |
| 1998 | Canada Masters | Hard | R64 | Alex O'Brien | 6-3 7-6(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.