Karsten Braasch and Andrei Olhovskiy were the defending champions but did not compete that year.
Mahesh Bhupathi and Max Mirnyi won in the final 6–1, 6–2 against Lucas Arnold and Mariano Hood.
Seeds
Mahesh Bhupathi / Max Mirnyi (champions) Martin Damm / Cyril Suk (quarterfinals) Tomáš Cibulec / Pavel Vízner (first round) Wayne Arthurs / Donald Johnson (first round)
Draw
External links 2003 Estoril Open Men's Doubles draw