| 2015 Busan Open | |
|---|---|
| Date | 4–10 May |
| Edition | 14th |
| Draw | 32S / 16D |
| Prize money | $100,000+H |
| Surface | Hard |
| Location | Busan, South Korea |
| Champions | |
| Singles | |
 Chung Hyeon | |
| Doubles | |
 Sanchai Ratiwatana / Sonchat Ratiwatana | |
The 2015 Busan Open was a professional tennis tournament played on hard courts. It was the fourteenth edition of the tournament which was part of the 2015 ATP Challenger Tour. It took place in Busan, South Korea between 4 and 10 May 2015.
| Country | Player | Rank1 | Seed |
|---|---|---|---|
 TPE | Lu Yen-hsun | 67 | 1 |
 AUS | Sam Groth | 85 | 2 |
 JPN | Go Soeda | 87 | 3 |
| KOR | Chung Hyeon | 88 | 4 |
 ISR | Dudi Sela | 90 | 5 |
| JPN | Tatsuma Ito | 97 | 6 |
 SVK | Lukáš Lacko | 99 | 7 |
 USA | Ryan Harrison | 122 | 8 |
* 1 Rankings are as of April 27, 2015.
The following players received wildcards into the singles main draw:
Hong Seong-chan Lim Yong-kyu Nam Ji-sung Oh Chan-yeongThe following players were given special exempt to gain entry into the singles main draw:
The following players received entry from the qualifying draw:
Jason Jung 
Frederik Nielsen 
Dimitar Kutrovsky Kim Young-seokThe following player received entry from as a lucky loser:
| Country | Player | Country | Player | Rank1 | Seed |
|---|---|---|---|---|---|
 CHN | Gong Maoxin | TPE | Peng Hsien-yin | 210 | 1 |
| USA | James Cerretani | AUS | Andrew Whittington | 258 | 2 |
| AUS | John-Patrick Smith | AUS | Jordan Thompson | 324 | 3 |
| THA | Sanchai Ratiwatana | THA | Sonchat Ratiwatana | 327 | 4 |
The following pairs received wildcards into the singles main draw:
Chung Hyeon def. Lukáš Lacko 6–3, 6–1 Sanchai Ratiwatana / Sonchat Ratiwatana def. Nam Ji-sung / Song Min-kyu 7–6(7–2), 3–6, [10–7]The 2010 Busan Open Challenger Tennis was a professional tennis tournament played on outdoor hard courts. It was part of the 2010 ATP Challenger Tour. It took place in Busan, South Korea between May 10 and May 16, 2010.
The 2009 Busan Open Challenger Tennis was a professional tennis tournament played on outdoor hard courts. It is part of the 2009 ATP Challenger Tour. It took place in Busan, South Korea between May 11 and May 17, 2009.
The 2011 Samsung Securities Cup was a professional tennis tournament played on hard courts. It was the 12th edition and the 1st edition of the tournament which was part of the 2011 ATP Challenger Tour and the 2011 ITF Women's Circuit. It took place in Seoul, South Korea between 17 and 23 October 2011.
The 2012 Samsung Securities Cup was a professional tennis tournament played on hard courts. It was the 13th edition of the tournament which was part of the 2012 ATP Challenger Tour and the 2012 ITF Women's Circuit. It took place in Seoul, Korea between 22 and 28 October 2012.
The 2013 Busan Open Challenger Tennis was a professional tennis tournament played on hard courts. It was the twelfth edition of the tournament which was part of the 2013 ATP Challenger Tour. It took place in Busan, South Korea between 13 and 19 May 2013.
The 2014 Adidas International Gimcheon was a professional tennis tournament played on hard courts. It was the first edition of the tournament which was part of the 2014 ATP Challenger Tour. It took place in Gimcheon, Korea between 5 and 11 May 2014.
The 2014 Busan Open Challenger Tour was a professional tennis tournament played on hard courts. It was the thirteenth edition of the tournament which was part of the 2014 ATP Challenger Tour. It took place in Busan, South Korea between 12 and 18 May 2014.
The 2015 Lecoq Seoul Open was a professional tennis tournament played on outdoor hard courts. It was the second edition of the tournament for women and the first edition for men. It was part of the 2015 ATP Challenger Tour and the 2015 ITF Women's Circuit, offering a total of $50,000 in prize money. It took place in Seoul, South Korea, on 11–17 May 2015 for men and 18–24 May 2015 women.
The 2016 Gwangju Open was a professional tennis tournament played on hard courts. It was the 1st edition of the tournament which was part of the 2016 ATP Challenger Tour. It took place in Gwangju, South Korea between 11 and 17 April 2016.
The 2016 Busan Open was a professional tennis tournament played on hard courts. It was the fifteenth edition of the tournament which was part of the 2016 ATP Challenger Tour. It took place in Busan, South Korea between 2 and 8 May 2016.
The 2017 Busan Open was a professional tennis tournament played on hard courts. It was the sixteenth edition of the tournament which was part of the 2017 ATP Challenger Tour. It took place in Busan, South Korea between 15 and 21 May 2017.
The 2018 Gwangju Open was a professional tennis tournament played on hard courts. It was the 3rd edition of the tournament which was part of the 2018 ATP Challenger Tour. It took place in Gwangju, South Korea between 13 and 19 August 2018.
The 2019 Busan Open was a professional tennis tournament played on hard courts. It was the eighteenth edition of the tournament which was part of the 2019 ATP Challenger Tour. It took place in Busan, South Korea between 6 and 12 May 2019.
The 2019 Gwangju Open was a professional tennis tournament played on hard courts. It was the 4th edition of the tournament which was part of the 2019 ATP Challenger Tour. It took place in Gwangju, South Korea between 13 and 19 May 2019.
The 2019 Chengdu Challenger was a professional tennis tournament played on hard courts. It was the 4th edition of the tournament which was part of the 2019 ATP Challenger Tour. It took place in Chengdu, China between 29 July and 4 August 2019.
The 2022 President's Cup is a professional tennis tournament played on outdoor hard courts. It is the seventeenth edition of the men's tournament which is part of the 2022 ATP Challenger Tour, and the thirteenth edition of the women's tournament which is part of the 2022 ITF Women's World Tennis Tour. It takes place in Nur-Sultan, Kazakhstan between 18 and 24 July 2022.
The 2022 Nonthaburi Challenger was a professional tennis tournament played on hard courts. It was the 1st edition of the tournament which was part of the 2022 ATP Challenger Tour. It took place in Nonthaburi, Thailand from 22 to 28 August 2022.
The 2022 Korea Open was a combined ATP Tour and WTA Tour tennis tournament took place at the Olympic Park Tennis Center in Seoul, South Korea on outdoor hard courts from 19 to 25 September 2022 for the women and from 26 September to 2 October 2022 for the men. It was the 18th edition of the women's tournament, and the first edition of the men's tournament since 1996. The tournament was a WTA 250 event on the 2022 WTA Tour, and a ATP Tour 250 event on the 2022 ATP Tour after several tournaments in China were cancelled because of the ongoing COVID-19 pandemic.
The 2022 Gwangju Open was a professional tennis tournament played on hard courts. It was the 5th edition of the tournament which was part of the 2022 ATP Challenger Tour. It took place in Gwangju, South Korea between 3 and 9 October 2022.
The 2022 Busan Open was a professional tennis tournament played on hard courts. It was the 19th edition of the tournament which was part of the 2022 ATP Challenger Tour. It took place in Busan, South Korea between 17 and 23 October 2022.
