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 Beijing International Challenger was a professional tennis tournament played on hard courts. It was the second edition of the tournament which was part of the 2011 ATP Challenger Tour and the 2011 ITF Women's Circuit. It took place in Beijing, China between 1 and 7 August 2011.
The 2012 Ningbo Challenger was a professional tennis tournament played on hard courts. It was the second edition of the tournament which was part of the 2012 ATP Challenger Tour and the 2012 ITF Women's Circuit. It took place in Ningbo, China, on 10–16 September 2012.
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 Samsung Securities Cup was a professional tennis tournament played on hard courts. It was the 14th edition of the men's tournament which was part of the 2013 ATP Challenger Tour and the third edition of the women's event, which was part of the 2013 ITF Women's Circuit. It took place in Seoul, South Korea, on 28 October–3 November 2013.
The 2014 ATP Challenger Guangzhou was a professional tennis tournament played on hard courts. It was the third edition of the tournament which was part of the 2014 ATP Challenger Tour. It took place in Guangzhou, China between 24 February and 2 March 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 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.
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 OEC Kaohsiung was a professional tennis tournament played on hard courts. It was the fifth edition of the tournament which was part of the 2016 ATP Challenger Tour. It took place in Kaohsiung, Taiwan between 17 and 25 September 2016.
The 2017 Pingshan Open was a professional tennis tournament played on outdoor hard courts. It was the fourth (ATP) and third (ITF) editions of the tournament and was part of the 2017 ATP Challenger Tour and the 2017 ITF Women's Circuit, offering $75,000+H (ATP) and $60,000 (ITF) in prize money. It was held in Shenzhen, China, from 13–19 March 2017.
The 2017 OEC Kaohsiung was a professional tennis tournament played on hard courts. It was the sixth edition of the tournament which was part of the 2017 ATP Challenger Tour. It took place in Kaohsiung, Taiwan between 2 and 8 October 2017.
The 2018 Keio Challenger was a professional tennis tournament played on hard courts. It was the thirteenth (ATP) and second (ITF) editions of the tournament and part of the 2018 ATP Challenger Tour and the 2018 ITF Women's Circuit. It took place in Yokohama, Japan between 26 February and 4 March 2018 for the men's edition and between 5 and 11 March 2018 for the women's.
The 2018 Stockton Challenger was a professional tennis tournament played on outdoor hard courts. It was the third and fourth editions of the tournament and was part of the 2018 ATP Challenger Tour and the 2018 ITF Women's Circuit. It took place in Stockton, United States, on 1–7 October 2018.
The 2018 Liuzhou International Challenger was a professional tennis tournament played on hard courts. It was the first edition of the tournament for men and third edition for women. It was the part of the 2018 ATP Challenger Tour and 2018 ITF Women's Circuit. It took place in Liuzhou, China between 22 and 28 October 2018.
The 2018 Shenzhen Longhua Open was a professional tennis tournament played on hard courts. It was the second (men) and third (women) editions of the tournament which was part of the 2018 ATP Challenger Tour and the 2018 ITF Women's Circuit. It took place in Shenzhen, China between 29 October and 11 November 2018.
The 2019 Keio Challenger was a professional tennis tournament played on hardcourts. It was the 14th (men's) and third (women's) editions of the tournament and part of the 2019 ATP Challenger Tour and the 2019 ITF Women's World Tennis Tour. It took place in Yokohama, Japan between 25 February and 10 March 2019.
The 2019 Seoul Open Challenger was a professional tennis tournament played on outdoor hard courts. It was the fifth edition of the tournament. It was part of the 2019 ATP Challenger Tour. It took place in Seoul, South Korea, between 29 April and 5 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 Liuzhou Open was a professional tennis tournament played on hard courts. It was the second edition of the tournament for men and fourth edition for women. It was the part of the 2019 ATP Challenger Tour and 2019 ITF Women's World Tennis Tour. It took place in Liuzhou, China between 21 October and 3 November 2019.
Lu Yen-hsun 
Sanchai Ratiwatana / 
Kang Seo-kyung / 
