Nombre: Alex O'Brien
País: USA
Fecha de nacimiento: 07.03.70, 56 años
Dinero del premio: 3526390 $
Partidos totales: 325
ganar: 153
%: 47.08 %
País: USA
Fecha de nacimiento: 07.03.70, 56 años
Dinero del premio: 3526390 $
Partidos totales: 325
ganar: 153
%: 47.08 %
| año | resumen | Difícil | Arcilla | I. difícil | Alfombra | Césped | Acrílico |
| 2001 | 15/13 | 9/6 | 2/2 | 0/2 | 0/0 | 4/3 | 0/0 |
| 2000 | 22/16 | 12/9 | 0/1 | 2/1 | 3/2 | 5/3 | 0/0 |
| 1999 | 21/15 | 16/10 | 0/2 | 3/2 | 0/0 | 2/1 | 0/0 |
| 1998 | 16/23 | 14/14 | 0/3 | 0/2 | 0/0 | 2/4 | 0/0 |
| 1997 | 21/27 | 8/12 | 4/5 | 2/3 | 2/4 | 5/3 | 0/0 |
| 1996 | 18/10 | 15/6 | 0/0 | 0/2 | 3/2 | 0/0 | 0/0 |
| 1995 | 7/17 | 4/7 | 0/3 | 0/2 | 1/2 | 2/3 | 0/0 |
| 1994 | 17/24 | 6/10 | 1/5 | 5/2 | 2/3 | 3/4 | 0/0 |
| 1993 | 12/21 | 7/13 | 4/3 | 1/1 | 0/1 | 0/3 | 0/0 |
| 1992 | 3/5 | 3/3 | 0/0 | 0/1 | 0/0 | 0/1 | 0/0 |
| 1991 | 1/1 | 1/1 | 0/0 | 0/0 | 0/0 | 0/0 | 0/0 |
| TOTAL | 153/172 | 95/91 | 11/24 | 13/18 | 11/14 | 23/25 | 0/0 |
| porc. % | 47.08 % | 51.08 % | 31.43 % | 41.94 % | 44 % | 47.92 % | 0 % |
Alex O'Brien / programado / pasado
| No se encontraron partidos |
Alex O'Brien form / superficie: Alfombra
Alex O'Brien / superficie: Alfombra
| 13.11.00 | c 1 | Alex O'Brien | Olivier Rochus | Olivier Rochus - walk over |  | match details |  Paris | Alfombra |
| 13.11.00 | 1er ronda | Albert Costa | Alex O'Brien | 7-5, 6-3 |  | match details | ||
| 13.11.00 | calif. | Alex O'Brien | Paul-Henri Mathieu | 7-62, 6-3 | | match details | ||
| 23.10.00 | c 1 | Alex O'Brien | Andy Fahlke | 4-6, 7-64, 6-2 | | match details |  Basel | Alfombra |
| 23.10.00 | c 2 | Nikolay Davydenko | Alex O'Brien | 6-4, 7-5 | | match details | ||
| 03.11.97 | 1er ronda | Alex O'Brien | Nicolas Kiefer | 7-5, 6-3 | | match details |  Moscow | Alfombra |
| 03.11.97 | 2da ronda | Alex O'Brien | Hendrik Dreekmann | 5-7, 6-4, 6-1 | | match details | ||
| 03.11.97 | 1/4 | Petr Korda | Alex O'Brien | 7-5, 6-3 | | match details | ||
| 20.10.97 | 1er ronda | Hicham Arazi | Alex O'Brien | 6-3, 2-6, 6-3 | | match details |  Stuttgart | Alfombra |
| 13.10.97 | 1er ronda | Kenneth Carlsen | Alex O'Brien | 7-68, 6-76, 7-69 | | match details |  Ostrava | Alfombra |
| 06.10.97 | 1er ronda | Thomas Johansson | Alex O'Brien | 6-2, 1-6, 7-5 | | match details |  Singapore | Alfombra |
| 04.11.96 | 2da ronda | Alex O'Brien | Guy Forget | 7-66, 7-65 | | match details | Moscow | Alfombra |
| 04.11.96 | 1/4 | Alex O'Brien | Sjeng Schalken | 6-3, 7-64 | | match details | ||
| 04.11.96 | 1er ronda | Alex O'Brien | Alex Corretja | 6-3, 6-2 | | match details | ||
| 04.11.96 | 1/2 | Goran Ivanisevic | Alex O'Brien | 6-4, 7-61 | | match details | ||
| 21.10.96 | 1er ronda | Marc Rosset | Alex O'Brien | 7-65, 6-3 | | match details | Stuttgart | Alfombra |
| 23.10.95 | 1er ronda | Brett Steven | Alex O'Brien | 7-64, 6-3 | | match details | Essen | Alfombra |
| 09.10.95 | 2da ronda | Richard Krajicek | Alex O'Brien | 7-5, 7-64 | | match details |  Tokyo | Alfombra |
| 09.10.95 | 1er ronda | Alex O'Brien | Hideki Kaneko | 5-7, 6-1, 7-5 | | match details | ||
| 17.10.94 | 1er ronda | Tomas Nydahl | Alex O'Brien | 7-5, 3-6, 6-3 | | match details |  Beijing | Alfombra |
| 10.10.94 | 2da ronda | Jacco Eltingh | Alex O'Brien | 6-4, 7-5 | | match details | Tokyo | Alfombra |
| 10.10.94 | 1er ronda | Alex O'Brien | Henrik Holm | 7-67, 6-2 | | match details | ||
| 14.02.94 | 1er ronda | Alex O'Brien | Byron Black | 7-5, 7-66 | | match details |  Philadelphia | Alfombra |
| 14.02.94 | 2da ronda | Andrei Chesnokov | Alex O'Brien | 3-6, 6-3, 6-4 | | match details | ||
| 08.11.93 | 1er ronda | Johan Van Herck | Alex O'Brien | 6-4, 7-5 | | match details |  Antwerp | Alfombra |