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.

Seeds

 * 1 Rankings are as of November 9, 2015.

Other entrants
The following players received wildcards into the singles main draw:
 * 🇯🇵 Sora Fukuda
 * 🇯🇵 Makoto Ochi
 * 🇯🇵 Masato Shiga
 * 🇯🇵 Kaito Uesugi

The following players received entry from the qualifying draw:
 * 🇯🇵 Yusuke Watanuki
 * 🇯🇵 Kento Takeuchi
 * 🇯🇵 Yuya Kibi
 * 🇺🇸 Peter Kobelt

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