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 2011 Shanghai Challenger was a professional tennis tournament played on hard courts. It was the first edition of the tournament which was part of the 2011 ATP Challenger Tour. It took place in Shanghai, China between 5 and 11 September 2011.
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 Beijing International Challenger was a professional tennis tournament played on hard courts. It was the third edition of the tournament which was part of the 2012 ATP Challenger Tour and the 2012 ITF Women's Circuit. It took place in Beijing, China between 28 July and 5 August 2012.
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 Nottingham Challenge was a professional tennis tournament played on outdoor grass courts. It was the third edition of the tournament which was part of the 2013 ATP Challenger Tour and the 2013 ITF Women's Circuit. It took place in Nottingham, United Kingdom, on 10–16 June 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 ONGC–GAIL Delhi Open was a professional tennis tournament played on outdoor hard courts. It is the first edition of the tournament for the men and for the women. It was part of the 2014 ATP Challenger Tour and the 2014 ITF Women's Circuit, offering a total of $100,000 in prize money in the men's event and $25,000 in the women's event. It took place in New Delhi, India, on 17–23 February 2014.
The 2015 Vietnam Open was a professional tennis tournament played on hard courts. It is the first edition of the tournament which is part of the 2015 ATP Challenger Tour. It takes place in Ho Chi Minh City, Vietnam between 12 and 18 October 2015.
The 2016 "GDD CUP" International Challenger Guangzhou was a professional tennis tournament played on hard courts. It was the 5th edition of the tournament which was part of the 2016 ATP Challenger Tour. It took place in Guangzhou, China between 14 and 21 March 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 2016 Wind Energy Holding Bangkok Open was a professional tennis tournament played on hard courts. It was the first edition of the tournament which was part of the 2016 ATP Challenger Tour. It took place in Bangkok, Thailand between 29 August – 4 September 2016.
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 2016 Open d'Orléans was a professional tennis tournament played on indoor hard courts. It was the twelfth edition of the tournament which was part of the 2016 ATP Challenger Tour. It took place in Orléans, France between 26 September and 2 October 2016.
The 2014 KPIT MSLTA Challenger was a professional tennis tournament played on hard courts. It was the inaugural edition of the tournament which was part of the 2014 ATP Challenger Tour. It took place at Shree Shiv Chhatrapati Sports Complex in Pune, India from 20 to 25 October 2014.
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 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 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.
Jordan Thompson 
Sanchai Ratiwatana / 
