Mark Knowles and Daniel Nestor were the defending champions but lost in the quarterfinals to Leander Paes and David Rikl.
Wayne Ferreira and Yevgeny Kafelnikov won in the final 3–6, 7–5, 6–4 against Bob Bryan and Mike Bryan.
Seeds All eight seeded teams received byes to the second round.
Draw
Final
Top half
Bottom half
External links 2003 Pacific Life Open Men's Doubles draw