2012 Rakuten Japan Open Tennis Championships – Singles
was the defending champion, but lost to Milos Raonic in the semifinals.
Eighth-seeded Kei Nishikori won the title beating Milos Raonic in the final 7–6, 3–6, 6–0, and in doing so became the first home grown winner of the title since Toshiro Sakai in 1972.Seeds
Draw
Finals
Qualifying
Seeds
Qualifiers
- Ivo Karlović
Draw
Second Qualifier
Third Qualifier