Head to head
Rivalry summary
John van Lottum and Alex O'Brien met 1 times on the ATP tour between 1998 and 1998. John van Lottum leads the head-to-head 1–0 against Alex O'Brien.
1
Hard
0
John van Lottum's wins on the left · Alex O'Brien's on the right · bar lengths share one scale
All meetings (1)
| 1998 | San Jose | Hard | R32 | John van Lottum | 6-3 4-6 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.