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 Delhi Open was a professional tennis tournament played on outdoor hard courts. It is the second edition of the tournament for the men and for the women. It was part of the 2015 ATP Challenger Tour and the 2015 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 16–22 February 2015.
The 2016 Delhi Open was a professional tennis tournament played on outdoor hard courts. It was the third edition of the tournament for the men and for the women. It was part of the 2016 ATP Challenger Tour and the 2016 ITF Women's Circuit, offering a total of $50,000 in prize money in the men's event and $25,000 in the women's event. It took place in New Delhi, India, on 15–21 February 2016.
The 2017 Morelos Open will be a professional tennis tournament played on outdoor hard 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 Cuernavaca, Mexico between 20 and 25 February 2017.
The 2019 Indian Wells Open was a professional tennis tournament played at Indian Wells, California in March 2019. It was the 46th edition of the men's event and 31st of the women's event, and was classified as an ATP Tour Masters 1000 event on the 2019 ATP Tour and a Premier Mandatory event on the 2019 WTA Tour. Both the men's and the women's events took place at the Indian Wells Tennis Garden in Indian Wells, California, from March 4 through March 17, 2019, on outdoor hard courts.
The 2019 Chennai Open Challenger was a professional tennis tournament played on hard courts. It was the second edition of the tournament which was part of the 2019 ATP Challenger Tour. It took place in Chennai, India between 4 and 10 February 2019.
The 2019 Zhuhai Open was a professional tennis tournament played on hard courts. It was the fourth edition of the tournament and part of the 2019 ATP Challenger Tour. It took place in Zhuhai, China between 4 and 10 March 2019.
The 2019 International Challenger Zhangjiagang was a professional tennis tournament played on hard courts. It was the third edition of the tournament which was part of the 2019 ATP Challenger Tour. It took place in Zhangjiagang, China between 18 and 24 March 2019.
The 2019 Fergana Challenger was a professional tennis tournament played on hard courts. It was the 20th edition of the tournament for men which was part of the 2019 ATP Challenger Tour, and the ninth edition of the event for women on the 2019 ITF Women's World Tennis Tour. It took place in Fergana, Uzbekistan, between 3–9 June (women) and 17–23 June (men).
The 2019 President's Cup was a professional tennis tournament played on outdoor hard courts. It was the fourteenth (ATP) and eleventh (ITF) editions of the tournament and was part of the 2019 ATP Challenger Tour and the 2019 ITF Women's World Tennis Tour. It took place in Nur-Sultan, Kazakhstan, on 15–21 July 2019.
The 2019 Challenger Banque Nationale de Gatineau was a professional tennis tournament played on outdoor hard courts. It was the 4th edition of the tournament for men and the 6th for women, and it was part of the 2019 ATP Challenger Tour and the 2019 ITF Women's World Tennis Tour. It took place in Gatineau, Canada between July 15 and 21, 2019.
The 2019 Open Castilla y León was a professional tennis tournament played on outdoor hard courts. It was the 34th edition, for men, and 5th edition, for women, of the tournament and part of the 2019 ATP Challenger Tour and the 2019 ITF Women's World Tennis Tour. It took place in El Espinar, Segovia, Spain, between 29 July – 4 August 2019.
The 2019 Kentucky Bank Tennis Championships was a professional tennis tournament played on outdoor hard courts. It was the 24th (ATP) and 22nd (ITF) editions of the tournament and was part of the 2019 ATP Challenger Tour and the 2019 ITF Women's World Tennis Tour. It took place in Lexington, the United States, from 29 July–to 4 August 2019.
The 2019 Shenzhen Longhua Open was a professional tennis tournament played on hard courts. It was the third (men) and fourth (women) editions of the tournament which was part of the 2019 ATP Challenger Tour and the 2019 ITF Women's World Tennis Tour. It took place in Shenzhen, China between 28 October and 10 November 2019.
The 2021 Potchefstroom Open was a professional tennis tournament played on hard courts. It was the second edition of the tournament which was part of the 2021 ATP Challenger Tour. It took place in Potchefstroom, South Africa between 8 and 14 February 2021.
The 2021 Biella Challenger Indoor II was a professional tennis tournament played on hard courts. It was the 2nd edition of the tournament which was part of the 2021 ATP Challenger Tour. It took place in Biella, Italy between 15 and 21 February 2021.
The 2021 Challenger Concepción was a professional tennis tournament played on clay courts. It was the first edition of the tournament which was part of the 2021 ATP Challenger Tour. It took place in Concepción, Chile between 15 and 21 February 2021.
The 2021 Potchefstroom Open II was a professional tennis tournament played on hard courts. It was the third edition of the tournament which was part of the 2021 ATP Challenger Tour. It took place in Potchefstroom, South Africa between 15 and 21 February 2021.
The 2021 I.ČLTK Prague Open was a professional tennis tournament played on outdoor clay courts. It was the 28th (men) and 16th (women) editions of the tournament which was part of the 2021 ATP Challenger Tour and the 2021 ITF Women's World Tennis Tour. It took place in Prague, Czech Republic from 3 to 9 May 2021.
The 2022 Calgary National Bank Challenger was a professional tennis tournament played on indoor hard courts. It was the third edition of the tournament which was part of the 2022 ATP Challenger Tour and the first edition of the tournament which was part of the 2022 ITF Women's World Tennis Tour. It took place in Calgary, Canada between 7 and 13 November 2022.
Geoffrey Blancaneaux 
Piotr Matuszewski / 
Matthew Romios 
