Head to head
4
Hard
0
1
Clay
0
1
Grass
0
David Wheaton's wins on the left · Alex O'Brien's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (6)
| 1996 | US Open | Hard | R32 | David Wheaton | 1-6 7-5 6-1 6-2 |
| 1995 | Newport | Grass | R16 | David Wheaton | 7-6(6) 6-4 |
| 1995 | Miami Masters | Hard | R64 | David Wheaton | 6-4 6-2 |
| 1993 | Coral Springs | Clay | QF | David Wheaton | 4-6 6-4 6-0 |
| 1993 | Hong Kong | Hard | R16 | David Wheaton | 6-4 6-3 |
| 1993 | Indian Wells Masters | Hard | R64 | David Wheaton | 6-1 7-5 |
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.