2008 AIG Japan Open Tennis Championships – Men's Singles


was the defending champion, but lost in the quarterfinals to Juan Martín del Potro.
Ninth-seeded Tomáš Berdych won in the final 6–1, 6–4, against Juan Martín del Potro.

Seeds

All seeds received a bye into the second round.

Draw

Finals

Top Half

Section 1

Section 2

Bottom Half

Section 3

Section 4