| Date: | 2–8 November (ATP) 9 – 15 November (WTA)[1] |
| Edition: | 1st |
| Draw: | 32S / 16D |
| Surface: | Hard, indoor |
| Prize Money: | $125,000 |
| Location: | Hua Hin, Thailand |
| Champms: |  Yūichi Sugita |
| Champmd: | Lee Hsin-han / Lu Yen-hsun |
| Champws: |  Yaroslava Shvedova |
| Champwd: |  Liang Chen / Wang Yafan |
| After Year: | 2017 |
The 2015 Hua Hin Championships was a professional tennis tournament played on indoor hard courts. It was the first edition of the tournament, which was part of the 2015 ATP Challenger Tour and part of 2015 WTA 125K series. It took place in Hua Hin, Thailand between 2 November to 8 November 2015 for the men's tournament, and between 9 November to 15 November 2015 for the women's tournament.
| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
| Lu Yen-hsun | 77 | 1 | ||
 Russian Federation | Evgeny Donskoy | 100 | 2 | |
 India | Yuki Bhambri | 105 | 3 | |
 Israel | Dudi Sela | 113 | 4 | |
| Japan | Tatsuma Ito | 118 | 5 | |
 Spain | Adrián Menéndez Maceiras | 140 | 6 | |
 Estonia | Jürgen Zopp | 147 | 7 | |
| Japan | Yoshihito Nishioka | 152 | 8 |
The following players received wildcards into the singles main draw:
Puriwat Chatpatcharoen Pruchya Isaro Warit Sornbutnark Kittipong WachiramanowongThe following player received entry into the singles main draw with a protected ranking:
The following players received entry from the qualifying draw:
Riccardo Ghedin Jirat Navasirisomboon
Stéphane Robert Laurent RochetteThe following player received entry as a lucky loser:
Toshihide Matsui Yuki Bhambri (right elbow injury) Yan Bai (stomach upset)| Team | Rank1 | Seed | |
|---|---|---|---|
| Andre Begemann Purav Raja | 170 | 1 | |
| 282 | 2 | ||
| Gong Maoxin Peng Hsien-yin | 287 | 3 | |
| 303 | 4 |
The following teams received wildcards into the doubles main draw:
John Paul Fruttero / Kittipong Wachiramanowong Puriwat Chatpatcharoen / Warit Sornbutnark Pruchya Isaro / Nuttanon KadchapananThe following teams received entry by a protected ranking:
Purav Raja (unspecified) Gong Maoxin (dizziness)| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
| Japan | Misaki Doi | 60 | 1 | |
| China | Zheng Saisai | 75 | 2 | |
| Japan | Nao Hibino | 79 | 3 | |
| Kazakhstan | Yaroslava Shvedova | 82 | 4 | |
| Japan | Kurumi Nara | 83 | 5 | |
| Russian Federation | Evgeniya Rodina | 84 | 6 | |
 Hungary | Tímea Babos | 85 | 7 | |
 Belgium | Kirsten Flipkens | 94 | 8 |
The following players received wildcards into the singles main draw:
The following players received entry from the qualifying draw:
| Team | Rank1 | Seed | |
|---|---|---|---|
| 93 | 1 | ||
| 171 | 2 | ||
| Han Xinyun Zhang Kailin | 198 | 3 | |
| Chan Chin-wei Ksenia Lykina | 262 | 4 |
The following team received wildcards into the doubles main draw:
See main article: article and 2015 Hua Hin Championships – Men's singles.
Yūichi Sugita def. Stéphane Robert 6–2, 1–6, 6–3See main article: article and 2015 Hua Hin Championships – Men's doubles.
Purav Raja walkoverSee main article: article and 2015 Hua Hin Championships – Women's singles.
Yaroslava Shvedova def. Naomi Osaka 6–4, 6–7(8–10), 6–4See main article: article and 2015 Hua Hin Championships – Women's doubles.
Liang Chen / Wang Yafan def. Varatchaya Wongteanchai / Yang Zhaoxuan 6–3, 6–4