| Men's Singles | |
|---|---|
| 2002 AIG Japan Open Tennis Championships | |
| Champion |
|
| Runner-up |
|
| Final score | 7–6(8–6), 6–3 |
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.