Lleyton Hewitt was the defending champion but lost in the quarterfinals to Paradorn Srichaphan.
Kenneth Carlsen won in the final 7–6(8–6), 6–3 against Magnus Norman.
The top eight seeds received a bye to the second round.
This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "2002 AIG Japan Open Tennis Championships – Men's singles".
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