2003 tennis event results
Àlex Corretja was the defending champion but lost in the second round to Werner Eschauer .
Guillermo Coria won in the final 6–1, 6–4, 6–2 against Nicolás Massú .
A champion seed is indicated in bold text while text in italics indicates the round in which that seed was eliminated. All sixteen seeds received a bye to the second round.
Grand Slam events Tennis Masters Series ATP International Series Gold ATP International Series
Adelaide (S , D )
Chennai (S , D )
Doha (S , D )
Auckland (S , D )
Sydney (S , D )
Milan (S , D )
Marseille (S , D )
San Jose (S , D )
Viña del Mar (S , D )
Buenos Aires (S , D )
Copenhagen (S , D )
Delray Beach (S , D )
Scottsdale (S , D )
Casablanca (S , D )
Estoril (S , D )
Houston (S , D )
Munich (S , D )
Valencia (S , D )
St. Pölten (S , D )
Halle (S , D )
London (S , D )
Nottingham (S , D )
's-Hertogenbosch (S , D )
Båstad (S , D )
Gstaad (S , D )
Newport (S , D )
Amersfoort (S , D )
Indianapolis (S , D )
Umag (S , D )
Los Angeles (S , D )
Sopot (S , D )
Washington (S , D )
Long Island (S , D )
Bucharest (S , D )
Salvador (S , D )
Bangkok (S , D )
Palermo (S , D )
Shanghai (S , D )
Metz (S , D )
Moscow (S , D )
Lyon (S , D )
Basel (S , D )
St. Petersburg (S , D )
Stockholm (S , D )
Team events