JAR
20.09.70, 54 years
501132 $
20.09.70, 54 years
501132 $
Country
Birthdate
Height
Weight
Profi since
Play
Ranking's position
Points
Prize money
Birthdate
Height
Weight
Profi since
Play
Ranking's position
Points
Prize money
USA
07.03.70, 55 years
3526390 $
07.03.70, 55 years
3526390 $
David Nainkin vs. Alex O'Brien - head to head matches
| 23.11.98 | 1/2 | David Nainkin | Alex O'Brien | 6-2, 6-1 | match details |  Burbank | Hard |
David Nainkin form & Alex O'Brien form
David Nainkin - last matches
| Birmingham - Clay | ||||
| 10.05.99 1st round | vs. Nenad Zimonjic | 6-2, 7-65 |  | match details |
| 10.05.99 2nd round | vs. Ronald Agenor | 2-6, 6-73 |  | match details |
 Prague - Clay | ||||
| 26.04.99 1st round | vs. Slava Dosedel | 6-75, 4-6 | | match details |
 Davis Cup - Hard | ||||
| 02.04.99 2nd round | vs. Vladimir Voltchkov | 6-3, 5-7, 4-6, 6-75 | | match details |
| 02.04.99 2nd round | vs. Sergei Samoseiko | 6-2, 6-2 | | match details |
 Grenoble - Hard | ||||
| 01.03.99 1st round | vs. Lionel Roux | 3-6, 4-6 | | match details |
| Cherbourg - Carpet | ||||
| 22.02.99 1st round | vs. Ivo Heuberger | 5-7, 1-6 | | match details |
 Lubeck - Carpet | ||||
| 15.02.99 1st round | vs. Maurice Ruah | 4-6, 2-6 | | match details |
| Hamburg - Carpet | ||||
| 01.02.99 1st round | vs. Karsten Braasch | 3-6, 6-72 | | match details |
| Heilbronn - Carpet | ||||
| 25.01.99 1st round | vs. Hendrik Dreekmann | 2-6, 2-6 | | match details |
| Burbank - Hard | ||||
| 23.11.98 1/4 | vs. Marcos Ondruska | 6-4, 6-4 | | match details |
| 23.11.98 1/2 | vs. Alex O'Brien | 6-2, 6-1 | | match details |
| 23.11.98 1st round | vs. Ota Fukarek | 6-1, 6-3 | | match details |
| 23.11.98 2nd round | vs. Paul Goldstein | 6-3, 3-6, 6-4 | | match details |
| 23.11.98 fin | vs. Cecil Mamiit | 6-75, 5-7 | | match details |
| Rancho Mirage - Hard | ||||
| 16.11.98 1st round | vs. Bernd Karbacher | 6-4, 1-6, 2-6 | | match details |
| Las Vegas - Hard | ||||
| 09.11.98 1st round | vs. Michael Hill | 4-6, 4-6 | | match details |
| Aachen - I. hard | ||||
| 02.11.98 1st round | vs. Tuomas Ketola | 6-3, 4-6, 3-6 | | match details |
| Stuttgart - Carpet | ||||
| 26.10.98 1st round | vs. Tommy Haas | 4-6, 4-6 | | match details |
 Tel Aviv - Hard | ||||
| 05.10.98 1st round | vs. Lorenzo Manta | 7-5, 1-6, 4-6 | | match details |
| Davis Cup - Clay | ||||
| 25.09.98 qual. | vs. Bohdan Ulihrach | 0-6, 1-6 | | match details |
 Tashkent - Hard | ||||
| 14.09.98 2nd round | vs. Yevgeny Kafelnikov | 3-6, 0-6 | | match details |
| 14.09.98 1st round | vs. Lionel Roux | 3-6, 6-2, 6-3 | | match details |
| New York - Hard | ||||
| 31.08.98 2nd round | vs. Gustavo Kuerten | 2-6, 6-4, 6-3, 6-4 | | match details |
| 31.08.98 3rd round | vs. Patrick Rafter | 1-6, 1-6, 1-6 | | match details |
| 31.08.98 1st round | vs. Mark Merklein | 6-73, 6-0, 6-4, 6-4 | | match details |
 Toronto - Hard | ||||
| 03.08.98 1st round | vs. Laurence Tieleman | 6-1, 3-6, 7-5 | | match details |
| 03.08.98 2nd round | vs. Richard Krajicek | 4-6, 4-6 | | match details |
| Winnetka - Hard | ||||
| 27.07.98 1st round | vs. Oren Motevassel | 4-6, 6-3, 6-3 | | match details |
| 27.07.98 2nd round | vs. David Wheaton | 4-6, 2-6 | | match details |
Alex O'Brien - last matches
| Washington D.C. - Hard | ||||
| 13.08.01 qual. | vs. Arvind Parmar | 7-66, 7-65 | | match details |
| 13.08.01 1st round | vs. Alex Kim | 6-3, 2-6, 4-6 | | match details |
| 13.08.01 q 1 | vs. Neville Godwin | 3-6, 6-3, 6-3 | | match details |
| Cincinnati - Hard | ||||
| 06.08.01 q 1 | vs. Cecil Mamiit | 5-7, 1-6 | | match details |
| Los Angeles - Hard | ||||
| 23.07.01 q 1 | vs. Jim Thomas | 3-6, 6-3, 3-6 | | match details |
 London - Grass | ||||
| 25.06.01 q 1 | vs. Federico Luzzi | 6-75, 7-64, 6-4 | | match details |
| 25.06.01 q 2 | vs. Lorenzo Manta | 3-6, 6-3, 6-3 | | match details |
| 25.06.01 qual. | vs. Leander Paes | 7-65, 3-6, 2-6, 2-6 | | match details |
| London - Grass | ||||
| 11.06.01 q 2 | vs. Kristian Capalik | 5-7, 2-6 | | match details |
| 11.06.01 q 1 | vs. Jeff Coetzee | 6-4, 4-6, 6-4 | | match details |
| Surbiton - Grass | ||||
| 04.06.01 q 1 | vs. James Davidson | 6-4, 6-4 | | match details |
| 04.06.01 q 2 | vs. Frederic Niemeyer | 2-6, 6-4, 1-6 | | match details |
| Paris - Clay | ||||
| 28.05.01 q 2 | vs. Federico Luzzi | 3-6, 6-1, 4-6 | | match details |
| 28.05.01 q 1 | vs. Jean-Baptiste Perlant | 6-1, 7-62 | | match details |
| Houston - Clay | ||||
| 30.04.01 q 1 | vs. Thomas Blake | 7-5, 7-66 | | match details |
| 30.04.01 q 2 | vs. Kevin Kim | 2-6, 5-7 | | match details |
| Calabasas - Hard | ||||
| 02.04.01 q 2 | vs. Kyle Spencer | 7-64, 6-3 | | match details |
| 02.04.01 qual. | vs. Doug Bohaboy | 3-6, 6-4, 3-6 | | match details |
| Scottsdale - Hard | ||||
| 05.03.01 q 1 | vs. Giovanni Lapentti | 6-3, 6-3 | | match details |
| 05.03.01 1st round | vs. Guillermo Canas | 7-66, 2-6, 2-6 | | match details |
| 05.03.01 q 2 | vs. Tomas Zib | 6-4, 7-5 | | match details |
| 05.03.01 qual. | vs. Kevin Kim | 6-4, 7-63 | | match details |
| Memphis - I. hard | ||||
| 19.02.01 q 1 | vs. Dmitry Tursunov | 6-73, 6-1, 6-79 | | match details |
| Dallas - I. hard | ||||
| 05.02.01 1st round | vs. Michael Joyce | 4-6, 0-6 | | match details |
 Melbourne - Hard | ||||
| 15.01.01 q 1 | vs. Zbynek Mlynarik | 3-6, 6-3, 6-4 | | match details |
| 15.01.01 q 2 | vs. Kevin Ullyett | 6-1, 7-66 | | match details |
| 15.01.01 1st round | vs. Gianluca Pozzi | 6-1, 6-77, 4-6, 2-6 | | match details |
| 15.01.01 qual. | vs. Cyril Saulnier | 6-0, 6-4 | | match details |
| Paris - Carpet | ||||
| 13.11.00 qual. | vs. Paul-Henri Mathieu | 7-62, 6-3 | | match details |
| 13.11.00 1st round | vs. Albert Costa | 5-7, 3-6 | | match details |