2015 Keio Challenger

The 2015 Keio Challenger is a professional tennis tournament played on hard courts. It is the eleventh edition of the tournament which is part of the 2015 ATP Challenger Tour. It takes place in Yokohama, Japan between November 16 and November 22, 2015.

Singles main-draw entrants

Seeds

¹ Rankings are as of November 9, 2015.

Other entrants

The following players received wildcards into the singles main draw:

The following players received entry from the qualifying draw:

Champions

Singles

Taro Daniel def. Go Soeda 4–6, 6–3, 6–3

Doubles

Sanchai Ratiwatana / Sonchat Ratiwatana def. Riccardo Ghedin / Yi Chu-huan 6–4, 6–4