Jim Thomas (tennis) ATP Doubles finals: 13 (6–7) ATP Doubles finals: 13 (6–7)

| Outcome | Date_ | Tournament | Surface | Partnering | Opponents_in_the_final | Score |
|---|---|---|---|---|---|---|
| Runner-up | November 20, 2000 | Brighton, England | Hard (I) | Paul Goldstein | Michael Hill Jeff Tarango | 3–6, 5-7 |
| Winner | January 8, 2001 | Auckland, New Zealand | Hard (O) | Marius Barnard | David Adams Martín García | 7–6 (12–10) , 6–4 |
| Runner-up | April 30, 2001 | Houston, United States | Clay (O) | Kevin Kim | Mahesh Bhupathi Leander Paes | 6–7 (4–7) , 2–6 |
| Runner-up | September 10, 2001 | Tashkent, Uzbekistan | Hard (O) | Marius Barnard | Julien Boutter Dominik Hrbatý | 4–6, 6–3, 11–13 |
| Winner | July 5, 2004 | Newport, United States | Grass (O) | Jordan Kerr | Gregory Carraz Nicolas Mahut | 6-3, 6–7 (5–7) , 6-3 |