Name: Alex O'Brien
Country: USA
Birthdate: 07.03.70, 55 years
Prize money: 3526390 $
Matches total: 325
Win: 153
%: 47.08 %
Country: USA
Birthdate: 07.03.70, 55 years
Prize money: 3526390 $
Matches total: 325
Win: 153
%: 47.08 %
| year | summary | Hard | Clay | I. hard | Carpet | Grass | Acrylic |
| 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 |
| perc. % | 47.08 % | 51.08 % | 31.43 % | 41.94 % | 44 % | 47.92 % | 0 % |
Alex O'Brien / scheduled / last
| no matches found |
Alex O'Brien form
Alex O'Brien / last 50 matches
| 13.08.01 | qual. | Alex O'Brien | Arvind Parmar | 7-66, 7-65 |  | match details |  Washington D.C. | Hard |
| 13.08.01 | 1st round | Alex Kim | Alex O'Brien | 3-6, 6-2, 6-4 |  | match details | ||
| 13.08.01 | q 1 | Alex O'Brien | Neville Godwin | 3-6, 6-3, 6-3 | | match details | ||
| 06.08.01 | q 1 | Cecil Mamiit | Alex O'Brien | 7-5, 6-1 | | match details | Cincinnati | Hard |
| 23.07.01 | q 1 | Jim Thomas | Alex O'Brien | 6-3, 3-6, 6-3 | | match details | Los Angeles | Hard |
| 25.06.01 | q 1 | Alex O'Brien | Federico Luzzi | 6-75, 7-64, 6-4 | | match details |  London | Grass |
| 25.06.01 | qual. | Leander Paes | Alex O'Brien | 6-75, 6-3, 6-2, 6-2 | | match details | ||
| 25.06.01 | q 2 | Alex O'Brien | Lorenzo Manta | 3-6, 6-3, 6-3 | | match details | ||
| 11.06.01 | q 2 | Kristian Capalik | Alex O'Brien | 7-5, 6-2 | | match details | London | Grass |
| 11.06.01 | q 1 | Alex O'Brien | Jeff Coetzee | 6-4, 4-6, 6-4 | | match details | ||
| 04.06.01 | q 1 | Alex O'Brien | James Davidson | 6-4, 6-4 | | match details | Surbiton | Grass |
| 04.06.01 | q 2 | Frederic Niemeyer | Alex O'Brien | 6-2, 4-6, 6-1 | | match details | ||
| 28.05.01 | q 1 | Alex O'Brien | Jean-Baptiste Perlant | 6-1, 7-62 | | match details |  Paris | Clay |
| 28.05.01 | q 2 | Federico Luzzi | Alex O'Brien | 6-3, 1-6, 6-4 | | match details | ||
| 30.04.01 | q 1 | Alex O'Brien | Thomas Blake | 7-5, 7-66 | | match details | Houston | Clay |
| 30.04.01 | q 2 | Kevin Kim | Alex O'Brien | 6-2, 7-5 | | match details | ||
| 02.04.01 | qual. | Doug Bohaboy | Alex O'Brien | 6-3, 4-6, 6-3 | | match details | Calabasas | Hard |
| 02.04.01 | q 2 | Alex O'Brien | Kyle Spencer | 7-64, 6-3 | | match details | ||
| 05.03.01 | 1st round | Guillermo Canas | Alex O'Brien | 6-76, 6-2, 6-2 | | match details | Scottsdale | Hard |
| 05.03.01 | q 1 | Alex O'Brien | Giovanni Lapentti | 6-3, 6-3 | | match details | ||
| 05.03.01 | q 2 | Alex O'Brien | Tomas Zib | 6-4, 7-5 | | match details | ||
| 05.03.01 | qual. | Alex O'Brien | Kevin Kim | 6-4, 7-63 | | match details | ||
| 19.02.01 | q 1 | Dmitry Tursunov | Alex O'Brien | 7-63, 1-6, 7-69 | | match details | Memphis | I. hard |
| 05.02.01 | 1st round | Michael Joyce | Alex O'Brien | 6-4, 6-0 | | match details | Dallas | I. hard |
| 15.01.01 | qual. | Alex O'Brien | Cyril Saulnier | 6-0, 6-4 | | match details |  Melbourne | Hard |
| 15.01.01 | q 1 | Alex O'Brien | Zbynek Mlynarik | 3-6, 6-3, 6-4 | | match details | ||
| 15.01.01 | 1st round | Gianluca Pozzi | Alex O'Brien | 1-6, 7-67, 6-4, 6-2 | | match details | ||
| 15.01.01 | q 2 | Alex O'Brien | Kevin Ullyett | 6-1, 7-66 | | match details | ||
| 13.11.00 | qual. | Alex O'Brien | Paul-Henri Mathieu | 7-62, 6-3 | | match details | Paris | Carpet |
| 13.11.00 | 1st round | Albert Costa | Alex O'Brien | 7-5, 6-3 | | match details | ||
| 13.11.00 | q 1 | Alex O'Brien | Olivier Rochus | Olivier Rochus - walk over | | match details | ||
| 06.11.00 | q 1 | Alex O'Brien | Kalle Flygt | 6-3, 6-74, 6-4 | | match details |  St. Petersburg | I. hard |
| 06.11.00 | q 2 | Alex O'Brien | Artem Derepasko | 7-5, 6-4 | | match details | ||
| 06.11.00 | qual. | Bohdan Ulihrach | Alex O'Brien | 6-4, 6-4 | | match details | ||
| 23.10.00 | q 2 | Nikolay Davydenko | Alex O'Brien | 6-4, 7-5 | | match details |  Basel | Carpet |
| 23.10.00 | q 1 | Alex O'Brien | Andy Fahlke | 4-6, 7-64, 6-2 | | match details | ||
| 28.08.00 | q 1 | Alex O'Brien | Damian Furmanski | 6-3, 7-66 | | match details | New York | Hard |
| 28.08.00 | qual. | Fernando Gonzalez | Alex O'Brien | 6-4, 4-6, 6-2 | | match details | ||
| 28.08.00 | q 2 | Alex O'Brien | Michael Kohlmann | 7-62, 6-3 | | match details | ||
| 14.08.00 | 2nd round | Jan-Michael Gambill | Alex O'Brien | 6-3, 5-7, 7-5 | | match details | Washington D.C. | Hard |
| 14.08.00 | 1st round | Alex O'Brien | Marcos Ondruska | 6-73, 6-4, 6-3 | | match details | ||
| 14.08.00 | q 1 | Alex O'Brien | Jim Thomas | 6-3, 6-2 | | match details | ||
| 14.08.00 | qual. | Alex O'Brien | Jared Palmer | 7-65, 4-6, 7-64 | | match details | ||
| 07.08.00 | q 1 | Martin Damm (1972) | Alex O'Brien | 6-4, 5-7, 6-3 | | match details | Cincinnati | Hard |
| 24.07.00 | 2nd round | Paul Goldstein | Alex O'Brien | 6-4, 6-2 | | match details | Los Angeles | Hard |
| 24.07.00 | 1st round | Alex O'Brien | Andrew Ilie | 6-3, 6-2 | | match details | ||
| 24.07.00 | qual. | Paul Kilderry | Alex O'Brien | 6-3, 6-3 | | match details | ||
| 24.07.00 | q 1 | Alex O'Brien | Ignacio Hirigoyen | 6-4, 4-6, 6-3 | | match details | ||
| 24.07.00 | q 2 | Alex O'Brien | K.C. Corkery | 7-5, 6-3 | | match details | ||
| 26.06.00 | qual. | Alex O'Brien | Fredrik Jonsson | 6-4, 7-63, 7-66 | | match details | London | Grass |