Head to head
Rivalry summary
Lleyton Hewitt and Alex O'Brien met 2 times on the ATP tour between 1999 and 1999. Lleyton Hewitt leads the head-to-head 2–0 against Alex O'Brien. By surface, Hewitt leads 2–0 on hard.
2
Hard
0
Lleyton Hewitt's wins on the left · Alex O'Brien's on the right · bar lengths share one scale
All meetings (2)
| 1999 | Los Angeles | Hard | R32 | Lleyton Hewitt | 6-3 6-2 |
| 1999 | Davis Cup WG QF: USA vs AUS | Hard | RR | Lleyton Hewitt | 7-5 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.