2003 AIG Japan Open Tennis Championships – Men's Singles

Men's Singles

Champion

Runner-up

Final score

7–6^(7–5), 6–2

Details

Draw

48 (6Q / 4WC)

Seeds

Events

Singles	men	women
Doubles	men	women

← 2002 ·

Japan Open

· 2004 →

Kenneth Carlsen was the defending champion but lost in the third round to Hyung-Taik Lee.

Rainer Schüttler won in the final 7–6^(7–5), 6–2 against Sébastien Grosjean.

All sixteen seeds received a bye to the second round.