| 23.06.03 | 1er ronda | Wayne Black/Kevin Ullyett | Jan-Michael Gambill/Graydon Oliver | 7-69, 4-6, 6-3, 6-3 |  | match details | London | Césped |
| 09.06.03 | 1er ronda | Lleyton Hewitt/Mark Philippoussis | Jan-Michael Gambill/Graydon Oliver | 6-2, 7-5 |  | match details | London | Césped |
| 26.05.03 | 1er ronda | Feliciano Lopez/Davide Sanguinetti | Jan-Michael Gambill/Graydon Oliver | 7-5, 6-4 |  | match details | Paris | Arcilla |
| 12.05.03 | 1er ronda | Tim Henman/Gustavo Kuerten | Jan-Michael Gambill/Graydon Oliver | 6-4, 6-2 |  | match details | Hamburg | Arcilla |
| 05.05.03 | 1er ronda | Wayne Ferreira/Yevgeny Kafelnikov | Jan-Michael Gambill/Graydon Oliver | 3-6, 6-3, 6-4 |  | match details | Rome | Arcilla |
| 21.04.03 | 1/2 | Jan-Michael Gambill/Graydon Oliver | Devin Bowen/Ashley Fisher | 7-66, 7-5 |  | match details | Houston | Arcilla |
| 21.04.03 | 1er ronda | Jan-Michael Gambill/Graydon Oliver | Luis Horna/Sergio Roitman | 6-4, 1-0, Luis Horna/Sergio Roitman - retirado |  | match details |
| 21.04.03 | fin | Mark Knowles/Daniel Nestor | Jan-Michael Gambill/Graydon Oliver | 6-4, 6-3 |  | match details |
| 21.04.03 | 1/4 | Jan-Michael Gambill/Graydon Oliver | Justin Gimelstob/Scott Humphries | 7-5, 4-6, 7-66 |  | match details |
| 17.03.03 | 1er ronda | Jan-Michael Gambill/Graydon Oliver | Chris Haggard/Robbie Koenig | 4-6, 6-1, 6-4 |  | match details | Miami | Difícil |
| 17.03.03 | 2da ronda | Tomas Cibulec/Pavel Vizner | Jan-Michael Gambill/Graydon Oliver | 5-7, 6-2, 6-4 |  | match details |
| 03.03.03 | 1/2 | Leander Paes/Nenad Zimonjic | Jan-Michael Gambill/Graydon Oliver | 6-3, 3-6, 6-3 |  | match details | Delray Beach | Difícil |
| 03.03.03 | 1er ronda | Jan-Michael Gambill/Graydon Oliver | Jean-Rene Lisnard/Michael Llodra | 3-6, 6-1, 6-1 |  | match details |
| 03.03.03 | 1/4 | Jan-Michael Gambill/Graydon Oliver | Luis Lobo/Marcelo Rios | 7-69, 6-2 |  | match details |
| 17.02.03 | 1er ronda | Mardy Fish/Jeff Morrison | Jan-Michael Gambill/Graydon Oliver | 5-7, 6-3, 6-2 |  | match details | Memphis | I. difícil |
| 10.02.03 | 1er ronda | Jan-Michael Gambill/Graydon Oliver | Justin Gimelstob/Scott Humphries | 6-3, 6-4 |  | match details | San Jose | I. difícil |
| 10.02.03 | 1/4 | Jan-Michael Gambill/Graydon Oliver | John-Laffnie de Jager/Myles Wakefield | 6-3, 7-64 |  | match details |
| 10.02.03 | 1/2 | Hyung-Taik Lee/Vladimir Voltchkov | Jan-Michael Gambill/Graydon Oliver | 6-4, 7-61 |  | match details |
| 13.01.03 | 1er ronda | Nicolas Lapentti/Todd Woodbridge | Jan-Michael Gambill/Graydon Oliver | 4-6, 6-4, 6-4 |  | match details | Melbourne | Difícil |
| 06.01.03 | 1er ronda | Ellis Ferreira/Brian MacPhie | Jan-Michael Gambill/Graydon Oliver | 6-75, 7-64, 7-62 |  | match details | Auckland | Difícil |
| 01.01.03 | 1er ronda | Yves Allegro/David Prinosil | Jan-Michael Gambill/Graydon Oliver | 7-65, 3-6, 6-3 |  | match details | Doha | Difícil |