Head to head
1
Hard
0
0
Carpet
1
Alex O'Brien's wins on the left · Thomas Johansson's on the right · bar lengths share one scale
All meetings (2)
| 1997 | Singapore | Carpet | R32 | Thomas Johansson | 6-2 1-6 7-5 |
| 1996 | Adelaide | Hard | R16 | Alex O'Brien | 6-4 3-6 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.