The 2010 Dunlop World Challenge was a professional tennis tournament played on indoor carpet courts. It was the third edition of the tournament which was part of the 2010 ATP Challenger Tour and 2010 ITF Women's Circuit. It took place in Toyota, Japan between 22 and 28 November 2010.
The 2011 Dunlop World Challenge was a professional tennis tournament played on carpet courts. It was the fourth edition of the tournament which was part of the 2011 ATP Challenger Tour and the 2011 ITF Women's Circuit. It took place in Toyota, Japan between 21 and 27 November 2011.
The 2012 Dunlop World Challenge was a professional tennis tournament played on indoor carpet courts. The fifth edition of the Dunlop World Challenge tournament, it was part of the 2012 ATP Challenger Tour and the 2012 ITF Women's Circuit. It took place on 19–25 November 2012 in Toyota, Japan.
The 2013 Dunlop World Challenge was a professional tennis tournament played on indoor carpet courts. It was the sixth edition of the tournament which was part of the 2013 ITF Women's Circuit and the 2013 ATP Challenger Tour. It took place in Toyota, Aichi, Japan, on 18–24 November 2013.
The 2014 Dunlop World Challenge was a professional tennis tournament played on indoor carpet courts. It was the 7th edition of the tournament which was part of the 2014 ATP Challenger Tour and the 2014 ITF Women's Circuit, offering a total of $75,000+H for women and $40,000+H for men in prize money respectively. It took place in Toyota, Japan, on 17–23 November 2014.
The 2015 China International Guangzhou was a professional tennis tournament played on hard courts. It was the 4th edition of the tournament which was part of the 2015 ATP Challenger Tour. It took place in Guangzhou, China between 9 and 15 March 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 2015 Dunlop Srixon World Challenge was a professional tennis tournament played on indoor carpet courts. It was the eighth edition of the tournament and part of the 2015 ATP Challenger Tour and 2015 ITF Women's Circuit, offering a total of $75,000+H (ITF) and $40,000+H (ATP) in prize money. It took place in Toyota, Japan, on 23–29 November 2015.
The 2016 Kobe Challenger was a professional tennis tournament played on indoor hard courts. It was the 2nd edition of the tournament which was part of the 2016 ATP Challenger Tour. It took place in Kobe, Japan between 7 and 13 November 2016.
The 2017 Canberra Challenger is a professional tennis tournament played on outdoor hard courts. It is the second edition of the tournament, which is a part of the 2017 ATP Challenger Tour. It takes place in Canberra, Australia, between 9 and 14 January 2017.
The 2017 Keio Challenger was a professional tennis tournament played on hard courts. It was the twelfth (ATP) and first (ITF) editions of the tournament and part of the 2017 ATP Challenger Tour and the 2017 ITF Women's Circuit. The tournament offered $50,000+H in prize money for the men and $25,000 prize money for the women. It took place in Yokohama, Japan between 27 February and 5 March 2017 for the men's edition and between 6 and 12 March 2017 for the women's.
The 2017 Kobe Challenger was a professional tennis tournament played on indoor hard courts. It was the 3rd edition of the tournament which was part of the 2017 ATP Challenger Tour. It took place in Kobe, Japan between 6 and 12 November 2017.
The 2017 Dunlop World Challenge was a professional tennis tournament played on indoor hard courts. It was the 10th edition of the tournament and part of the 2017 ATP Challenger Tour and the 2017 ITF Women's Circuit. It took place in Toyota, Japan, between 13–19 November 2017 and was the last edition of the 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 2019 Kobe Challenger was a professional tennis tournament played on indoor hard courts. It was the 5th edition of the tournament which was part of the 2019 ATP Challenger Tour. It took place in Kobe, Japan between 4 and 10 November 2019.
The 2022 City of Playford Tennis International was a professional tennis tournament played on outdoor hard courts. It was the fourth edition of the tournament which was part of the 2022 ATP Challenger Tour and the 2022 ITF Women's World Tennis Tour. It took place in the City of Playford, Australia between 24 and 30 October 2022.
The 2022 NSW Open was a professional tennis tournament played on outdoor hard courts. It was the second edition of the tournament which was part of the 2022 ATP Challenger Tour and the eighth edition of the tournament which was part of the 2022 ITF Women's World Tennis Tour. It took place in Sydney, Australia between 31 October and 6 November 2022.
The 2022 Keio Challenger was a professional tennis tournament played on hard courts. It was the 15th (men's) and 5th (women's) editions of the tournament and part of the 2022 ATP Challenger Tour and the 2022 ITF Women's World Tennis Tour. It took place in Yokohama, Japan between 31 October and 13 November 2022.
The 2022 Kobe Challenger was a professional tennis tournament played on indoor hard courts. It was the 6th edition of the tournament which was part of the 2022 ATP Challenger Tour. It took place in Kobe, Japan between 14 and 20 November 2022.
The 2022 Yokkaichi Challenger was a professional tennis tournament played on hard courts. It was the 2nd edition of the tournament which was part of the 2022 ATP Challenger Tour. It took place in Yokkaichi, Japan between 21 and 27 November 2022.
James Duckworth 
Aryna Sabalenka 
Ksenia Lykina / 
Akiko Omae 
