Head to head
2
Hard
0
Alex O'Brien's wins on the left · Yevgeny Kafelnikov's on the right · bar lengths share one scale
All meetings (2)
| 1996 | New Haven | Hard | QF | Alex O'Brien | 6-4 6-4 |
| 1992 | New Haven | Hard | R64 | Alex O'Brien | 6-2 6-1 |
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.