The 2006 ECM Prague Open, known also as 2006 ECM Prague Open by Ceska Sporitelna for sponsorship reasons, was a professional tennis tournament played on clay courts at the I. Czech Lawn Tennis Club in Prague, Czech Republic from 8 to 14 May 2006. It was the 15th edition of the men's tournament which was part of the 2006 ATP Challenger Series and the 5th edition of the women's tournament which was part of the 2006 WTA Tour as a Tier IV tournament.
The 2015 Dubai Tennis Championships was an ATP 500 event on the 2015 ATP World Tour and a WTA Premier 5 on the 2015 WTA Tour. Both events were held at the Aviation Club Tennis Centre in Dubai, United Arab Emirates. The women's tournament took place from February 15 to 21, 2015, while the men's tournament took place from February 23 to 28, 2015.
The 2018 Dubai Tennis Championships was an ATP 500 event on the 2018 ATP World Tour and a WTA Premier event on the 2018 WTA Tour. Both events were held at the Aviation Club Tennis Centre in Dubai, United Arab Emirates. The women's tournament took place from 19 February until 25 February 2018, while the men's tournament took place from 26 February through 3 March 2018.
Alexander Donski is a Bulgarian professional tennis player active on both the ITF Men's World Tennis Tour and the ATP Challenger Tour.
The 2018 BB&T Atlanta Open was a professional men's tennis tournament played on hard courts. It was the 31st edition of the tournament, and part of the 2018 ATP World Tour. It took place at Atlantic Station in Atlanta, United States between July 23 and 29, 2018. It was the first men's event of the 2018 US Open Series. First-seeded John Isner won the singles title.
The 2019 Cleveland 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 Cleveland, United States between January 28 and February 3, 2019.
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 BNP Paribas Sopot Open is a professional tennis tournament played on clay courts. It will be the 2nd edition of the tournament which is part of the 2019 ATP Challenger Tour. It will take place in Sopot, Poland between 29 July and 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 2020 Cleveland Open was a professional tennis tournament played on hard courts. It was the second edition of the tournament which was part of the 2020 ATP Challenger Tour. It took place in Cleveland, Ohio, United States between February 10 and February 16, 2020.
The 2020 Trofeo Faip–Perrel was a professional tennis tournament played on hard courts. It was the fifteenth edition of the tournament which was part of the 2020 ATP Challenger Tour. It took place in Bergamo, Italy between 17 and 23 February 2020.
The 2021 Cleveland Open 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 Cleveland, Ohio, United States between March 15 and March 21, 2021.
The 2022 Serena Wines 1881 Tennis Cup Internazionali di Tennis del Friuli Venezia Giulia was a professional tennis tournament played on outdoor clay courts. It was the nineteenth edition of the tournament which was part of the 2022 ATP Challenger Tour, and the seventh edition of the tournament which was part of the 2022 ITF Women's World Tennis Tour. It took place in Cordenons, Italy between 25 July and 7 August 2022.
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.
The 2025 Qatar Open is the 33rd edition of the Qatar Open, a men's tennis tournament to be played on outdoor hard courts. It is part of the ATP Tour 500 tournaments of the 2025 ATP Tour, and will take place at the Khalifa International Tennis and Squash Complex in Doha, Qatar from 17 to 22 February 2025.
The 2025 Rio Open, also known as Rio Open presented by Claro for sponsorship reasons, is a professional men's tennis tournament to be played on outdoor clay courts. It will be the 11th edition of the Rio Open, and part of the ATP Tour 500 tournaments of the 2025 ATP Tour. It will take place in Rio de Janeiro, Brazil between 17 and 23 February, 2025.
The 2025 Play In Challenger was a professional tennis tournament played on indoor hard courts. It was the seventh edition of the tournament, which was part of the 2025 ATP Challenger Tour. It took place in Lille, France, between 3 and 9 February 2025.
The 2025 Rosario Challenger was a professional tennis tournament played on clay courts. It was the first edition of the tournament, which was part of the 2025 ATP Challenger Tour. It took place in Rosario, Argentina, between 3 and 9 February 2025.
The 2025 Chennai Open Challenger was a professional tennis tournament played on hard courts. It was the fifth edition of the tournament which was part of the 2025 ATP Challenger Tour. It took place in Chennai, India between 3 and 9 February 2025.
The 2025 Tenerife Challenger was a professional tennis tournament played on hard courts. It was the eighth edition of the tournament which was part of the 2025 ATP Challenger Tour. It took place in Tenerife, Spain between 3 and 9 February 2025.
AUS 
JPN 
Jacob Bradshaw
Keisuke Saitoh
