| Date: | 13–19 November |
| Edition: | 10th |
| Category: | ATP Challenger Tour ITF Women's Circuit |
| Location: | Toyota, Japan |
| Surface: | Hard (indoor) |
| Champms: |  Matthew Ebden |
| Champmd: | Max Purcell / Andrew Whittington |
| Champws: |  Mihaela Buzărnescu |
| Champwd: |  Ksenia Lykina /  Junri Namigata |
| After Year: | no |
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.
| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
| Japan | Taro Daniel | 96 | 1 | |
| Australia | Matthew Ebden | 100 | 2 | |
| Japan | Tatsuma Ito | 151 | 3 | |
| Japan | Go Soeda | 160 | 4 | |
| Australia | John Millman | 185 | 5 | |
 Korea, Republic of | Kwon Soon-woo | 189 | 6 | |
 France | Calvin Hemery | 190 | 7 | |
| Korea, Republic of | Lee Duck-hee | 201 | 8 |
The following players received wildcards into the singles main draw:
Shintaro Imai Yuta Shimizu Yuga Tashiro Jumpei YamasakiThe following players received entry from the qualifying draw:
Hiroyasu Ehara Yuya Kibi Kento Takeuchi Kaito Uesugi| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
| Romania | Mihaela Buzărnescu | 72 | 1 | |
 Hungary | Dalma Gálfi | 170 | 2 | |
| Tamara Zidanšek | 180 | 3 | ||
 Italy | Georgia Brescia | 218 | 4 | |
 China | Lu Jiajing | 225 | 5 | |
| Japan | Miharu Imanishi | 226 | 6 | |
| Japan | Mayo Hibi | 235 | 7 | |
| Japan | Junri Namigata | 236 | 8 |
The following players received wildcards into the singles main draw:
Yuka Hosoki Momoko Kobori
Urszula Radwańska Yuuki TanakaThe following players received entry from the qualifying draw:
Rika Fujiwara Megumi Nishimoto Kyōka Okamura Aiko YoshitomiSee main article: 2017 Dunlop World Challenge – Men's singles.
Matthew Ebden def. Calvin Hemery, 7–6(7–3), 6–3.See main article: 2017 Dunlop World Challenge – Women's singles.
Mihaela Buzărnescu def. Tamara Zidanšek, 6–0, 6–1See main article: 2017 Dunlop World Challenge – Men's doubles.
Max Purcell / Andrew Whittington def. Ruben Gonzales / Christopher Rungkat 6–3, 2–6, [10–8].See main article: 2017 Dunlop World Challenge – Women's doubles.
Ksenia Lykina / Junri Namigata def. 
Nicha Lertpitaksinchai / Peangtarn Plipuech 3–6, 6–3, [10–4].