2017 Dunlop World Challenge

The 2017 Dunlop World Challenge was a professional tennis tournament played on indoor hard courts. It was the 10th edition of the tournament and part of the 2017 ATP Challenger Tour and the 2017 ITF Women's Circuit. It took place in Toyota, Japan, between 13–19 November 2017 and was the last edition of the tournament.

Seeds

 * 1 Rankings as of 6 November 2017.

Other entrants
The following players received wildcards into the singles main draw:
 * 🇯🇵 Shintaro Imai
 * 🇯🇵 Yuta Shimizu
 * 🇯🇵 Yuga Tashiro
 * 🇯🇵 Jumpei Yamasaki

The following players received entry from the qualifying draw:
 * 🇯🇵 Hiroyasu Ehara
 * 🇯🇵 Yuya Kibi
 * 🇯🇵 Kento Takeuchi
 * 🇯🇵 Kaito Uesugi

Seeds

 * 1 Rankings as of 6 November 2017.

Other entrants
The following players received wildcards into the singles main draw:
 * 🇯🇵 Yuka Hosoki
 * 🇯🇵 Momoko Kobori
 * 🇵🇱 Urszula Radwańska
 * 🇯🇵 Yuuki Tanaka

The following players received entry from the qualifying draw:
 * 🇯🇵 Rika Fujiwara
 * 🇯🇵 Megumi Nishimoto
 * 🇯🇵 Kyōka Okamura
 * 🇯🇵 Aiko Yoshitomi

Men's singles

 * 🇦🇺 Matthew Ebden def. 🇫🇷 Calvin Hemery, 7–6(7–3), 6–3.

Women's singles

 * 🇷🇴 Mihaela Buzărnescu def. Tamara Zidanšek, 6–0, 6–1

Men's doubles

 * 🇦🇺 Max Purcell / 🇦🇺 Andrew Whittington def. Ruben Gonzales /  Christopher Rungkat 6–3, 2–6, [10–8].

Women's doubles

 * 🇷🇺 Ksenia Lykina / 🇯🇵 Junri Namigata def. 🇹🇭 Nicha Lertpitaksinchai / 🇹🇭 Peangtarn Plipuech 3–6, 6–3, [10–4].