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 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 2016 Challenger Banque Nationale de Granby was a professional tennis tournament played on outdoor hard courts. It was the 23rd edition, for men, and 6th edition, for women, of the tournament and part of the 2016 ATP Challenger Tour and the 2016 ITF Women's Circuit, offering totals of $100,000, for men, and $50,000, for women, in prize money. It took take place in Granby, Quebec, Canada between August 1 and August 7, 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 Fergana Challenger was a professional tennis tournament played on hard courts. It was the 18th edition of the tournament for men which was part of the 2017 ATP Challenger Tour, and the seventh edition of the event for women on the 2017 ITF Women's Circuit. It took place in Fergana, Uzbekistan between 19 and 25 June 2017.
The 2017 President's Cup was a professional tennis tournament played on outdoor hard courts. It was the twelfth (men) and ninth (women) editions of the tournament and was part of the 2017 ATP Challenger Tour and the 2017 ITF Women's Circuit. It took place in Astana, Kazakhstan, on 17–23 July 2017.
The 2017 Vietnam Open was a professional tennis tournament played on hard courts. It is the third edition of the tournament which is part of the 2017 ATP Challenger Tour. It takes place in Ho Chi Minh City, Vietnam between 23 and 29 October 2017.
The 2018 Santaizi ATP Challenger was a professional tennis tournament played on indoor carpet courts. It was the fifth edition of the tournament which was part of the 2018 ATP Challenger Tour. It took place in Taipei, Taiwan between 9 and 15 April.
The 2018 President's Cup was a professional tennis tournament played on outdoor hard courts. It was the thirteenth (ATP) and tenth (ITF) editions of the tournament and was part of the 2018 ATP Challenger Tour and the 2018 ITF Women's Circuit. It took place in Astana, Kazakhstan, on 16–22 July 2018.
The 2018 Ningbo Challenger was a professional tennis tournament played on hard courts. It was the sixth edition of the tournament and part of the 2018 ATP Challenger Tour. It took place in Ningbo, China.
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 2018 Bengaluru Open was a professional tennis tournament played on hard courts. It was the second edition of the tournament which was part of the 2018 ATP Challenger Tour. It took place in Bangalore, India from 12 to 17 November 2018.
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 2021 Astana Open was a tennis tournament organized for professional tennis players, held in Astana, Kazakhstan, in 2021 on indoor hard courts. It was primarily organized due to the cancellation of many tournaments during the 2021 ATP Tour and 2021 WTA Tour, because of the ongoing COVID-19 pandemic. It is the second edition of the tournament for the men and the first for the women. The tournament took place in Nur-Sultan, Kazakhstan, from 20–26 September for the men, and from 27 September to 2 October for the women.
The 2021 Kremlin Cup was a professional tennis tournament played on indoor hard courts. It was the 31st edition of the Kremlin Cup for the men and the 25th edition for the women. The tournament was part of the ATP 250 series of the 2021 ATP Tour, and of the WTA 500 series of the 2021 WTA Tour. It was held at the Irina Viner-Usmanova Gymnastics Palace and the Luzhniki Palace of Sports in Moscow, Russia, from 18 October through 24 October 2021.
The 2022 Bengaluru Open was a professional tennis tournament played on hard courts. It was the fourth edition of the tournament which was part of the 2022 ATP Challenger Tour. It took place in Bangalore, India from 7 to 13 February 2022.
The 2022 İstanbul Cup was a tennis tournament played on outdoor clay courts. It was the 15th edition of the İstanbul Cup, and part of the WTA International tournaments of the 2022 WTA Tour. It took place in Istanbul, Turkey, from 19 through 24 April 2022.
The 2022 Bad Homburg Open was a women's professional tennis tournament played on outdoor grass courts at the TC Bad Homburg in Bad Homburg, Germany, from 19 June to 25 June 2022. It was the second edition of the Bad Homburg Open and was classified as a WTA 250 event on the 2022 WTA Tour.
The 2022 Lexington Challenger was a professional tennis tournament played on outdoor hard courts. It was the twenty-seventh edition of the tournament which was part of the 2022 ATP Challenger Tour, and the twenty-fifth edition of the tournament which was part of the 2022 ITF Women's World Tennis Tour. It took place in Lexington, Kentucky, United States between 1 and 7 August 2022.
Nikola Milojević 
Nigina Abduraimova 
Ivan Gakhov / 
