| Date: | 14–20 November |
| Edition: | 9th |
| Category: | ATP Challenger Tour ITF Women's Circuit |
| Location: | Toyota, Japan |
| Surface: | Hard (indoor) |
| Prize Money: | $50,000+H (men) $50,000+H (women) |
| Champms: |  James Duckworth |
| Champmd: | Matt Reid / John-Patrick Smith |
| Champws: |  Aryna Sabalenka |
| Champwd: |  Ksenia Lykina /  Akiko Omae |
The 2016 Dunlop World Challenge was a professional tennis tournament played on indoor hard courts. It was the 9th edition of the tournament and part of the 2016 ATP Challenger Tour and the 2016 ITF Women's Circuit, offering $50,000+H each in prize money for both men and women's events. It took place in Toyota, Japan, on 14–20 November 2016.
| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
| Japan | Yoshihito Nishioka | 100 | 1 | |
| Japan | Yūichi Sugita | 107 | 2 | |
| Japan | Go Soeda | 119 | 3 | |
 Korea, Republic of | Chung Hyeon | 126 | 4 | |
| Australia | James Duckworth | 130 | 5 | |
| Korea, Republic of | Lee Duck-hee | 151 | 6 | |
| Japan | Tatsuma Ito | 177 | 7 | |
| Japan | Hiroki Moriya | 182 | 8 |
The following players received wildcards into the singles main draw:
Makoto Ochi Yusuke Takahashi Yosuke Watanuki Yusuke WatanukiThe following players received entry from the qualifying draw:
| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
| Japan | Kurumi Nara | 78 | 1 | |
| Belarus | Aryna Sabalenka | 159 | 2 | |
| Russian Federation | Ksenia Lykina | 172 | 3 | |
 Uzbekistan | Nigina Abduraimova | 178 | 4 | |
| Jana Fett | 196 | 5 | ||
 United States | Jamie Loeb | 203 | 6 | |
| Japan | Mayo Hibi | 209 | 7 | |
| Japan | Shuko Aoyama | 218 | 8 |
The following player received a wildcard into the singles main draw:
Haruka Kaji Momoko Kobori Michika Ozeki Ramu UedaThe following players received entry from the qualifying draw:
Miharu Imanishi Kim Na-ri Tori Kinard Chihiro MuramatsuSee main article: 2016 Dunlop World Challenge – Men's singles.
James Duckworth def. Tatsuma Ito, 7–5, 4–6, 6–1See main article: 2016 Dunlop World Challenge – Women's singles.
Aryna Sabalenka def. Lizette Cabrera, 6–2, 6–4See main article: 2016 Dunlop World Challenge – Men's doubles.
Matt Reid / John-Patrick Smith def. 
Jeevan Nedunchezhiyan / Christopher Rungkat, 6–3, 6–4See main article: 2016 Dunlop World Challenge – Women's doubles.
Ksenia Lykina / Akiko Omae def. Rika Fujiwara / Ayaka Okuno, 6–7(4–7), 6–2, [10–5]