The 2012 All Japan Indoor Tennis Championships was a professional tennis tournament played on clay courts. It was the 16th edition of the tournament which was part of the 2012 ATP Challenger Tour. It took place in Kyoto, Japan between 5 and 11 June March.
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 2013 Challenger La Manche was a professional tennis tournament played on indoor hard courts. It was the 20th edition of the tournament which was part of the 2013 ATP Challenger Tour. It took place in Cherbourg, France between February 25 and March 3, 2013.
The 2013 Keio Challenger was a professional tennis tournament played on hard courts. It was the ninth edition of the tournament which was part of the 2013 ATP Challenger Tour. It took place in Yokohama, Japan between 11 and 17 November 2013. Mathew Ebden was the tournament champion over Go Soeda.
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 All Japan Indoor Tennis Championships was a professional tennis tournament played on carpet. It was the 18th edition of the tournament which was part of the 2014 ATP Challenger Tour. It took place in Kyoto, Japan between 3 and 9 March.
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 Kobe Challenger was a professional tennis tournament played on indoor hard courts. It was the 1st edition of the tournament which was part of the 2015 ATP Challenger Tour. It took place in Kobe, Japan between 9 and 15 November 2015.
The 2015 Keio Challenger is a professional tennis tournament played on hard courts. It is the eleventh edition of the tournament which is part of the 2015 ATP Challenger Tour. It takes place in Yokohama, Japan between November 16 and November 22, 2015.
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 Bangkok Challenger II was a professional tennis tournament played on hard courts. It was second edition of the tournament and part of the 2017 ATP Challenger Tour. It took place in Bangkok, Thailand between 9 and 14 January 2017.
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 Santaizi ATP Challenger will be a professional tennis tournament played on indoor carpet courts. It will be the fourth edition of the tournament which will be part of the 2017 ATP Challenger Tour. It will take place in Taipei, Taiwan between 17 and 23 April.
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 2017 Nielsen Pro Tennis Championship was a professional tennis tournament played on hard courts. It was the 26th edition of the tournament which was part of the 2017 ATP Challenger Tour. It took place in Winnetka, Illinois, between 11 and 16 July 2017.
The 2017 Hua Hin Championships was a professional tennis tournament played on outdoor hard courts. It was the 2nd edition of the tournament, which was part of the 2017 ATP Challenger Tour and part of 2017 WTA 125K series. It took place in Hua Hin, Thailand from 6 November to 12 November 2017 for the women's tournament, and from 20 November to 26 November 2017 for the men's tournament.
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 Gimcheon Open ATP Challenger was a professional tennis tournament played on hard courts. It was the fifth edition of the tournament which was part of the 2018 ATP Challenger Tour. It took place in Gimcheon, Korea between 7 and 13 May 2018.
The 2018 Fairfield Challenger was a professional tennis tournament played on hard courts. It was the fourth edition of the tournament which was part of the 2018 ATP Challenger Tour. It took place in Fairfield, California, United States between 8 and 14 October 2018.
The 2019 Da Nang Tennis Open was a professional tennis tournament played on hard courts. It was the first edition of the tournament which was part of the 2019 ATP Challenger Tour. It took place in Da Nang, Vietnam between 6 and 12 January 2019.
Yasutaka Uchiyama 
Sanchai Ratiwatana / 
