The 2017 JSM Challenger of Champaign–Urbana was a professional tennis tournament played on hard courts. It was the twenty-second edition of the tournament which was part of the 2017 ATP Challenger Tour. It took place in Champaign, Illinois, United States between November 13 and November 18, 2017.
The 2018 JSM Challenger of Champaign–Urbana was a professional tennis tournament played on hard courts. It was the twenty-third edition of the tournament which was part of the 2018 ATP Challenger Tour. It took place in Champaign, Illinois, United States between November 12 and November 17, 2018.
The 2019 Little Rock Challenger 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 Little Rock, Arkansas, United States from 3 to 9 June 2019.
The 2019 JSM Challenger of Champaign–Urbana was a professional tennis tournament played on hard courts. It was the twenty-fourth edition of the tournament which was part of the 2019 ATP Challenger Tour. It took place in Champaign, Illinois, United States between November 11 and November 17, 2019.
The 2021 Orlando 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 Orlando, United States between 12 and 18 April 2021.
The 2021 Biella Challenger V was a professional tennis tournament played on outdoor red clay courts. It was part of the 2021 ATP Challenger Tour. It took place in Biella, Italy between 3 and 9 May 2021.
The 2021 Heilbronner Neckarcup was a professional tennis tournament played on clay courts. It was the seventh edition of the tournament which was part of the 2021 ATP Challenger Tour. It took place in Heilbronn, Germany between 10 and 16 May 2021.
The 2021 Cary Challenger was a professional tennis tournament being played on hard courts. It was the 7th edition of the tournament which was part of the 2021 ATP Challenger Tour. It took place in Cary, North Carolina, United States between 19 and 25 July 2021.
The 2021 Poznań Open was a professional tennis tournament played on clay courts. It was the seventeenth edition of the tournament which was part of the 2021 ATP Challenger Tour. It took place at the Park Tenisowy Olimpia in Poznań, Poland from 26 July to 1 August 2021.
The 2021 Columbus Challenger was a professional challenger level tennis tournament played on indoor hard courts. It was the tenth edition of the men's tournament which was part of the 2021 ATP Challenger Tour and the first edition of the women's event, that was part of 2021 WTA 125K series. It took place in Columbus, United States between 20 and 26 September 2021.
The 2021 Cary Challenger II was a professional tennis tournament being played on hard courts. It was the 8th edition of the tournament which was part of the 2021 ATP Challenger Tour. It took place in Cary, North Carolina, United States between 13 and 19 September 2021.
The 2021 Las Vegas Challenger was a professional tennis tournament played on hard courts. It was the sixth edition of the revamped tournament which was the part of the 2021 ATP Challenger Tour. It took place in Las Vegas, United States between 25 and 31 October 2021.
The 2021 Charlottesville Men's Pro Challenger was a professional tennis tournament played on indoor hard courts. It was the twelfth edition of the tournament which was part of the 2021 ATP Challenger Tour, taking place in Charlottesville, United States from November 1 to 7, 2021.
The 2021 Knoxville Challenger was a professional tennis tournament played on indoor hard courts. It was the seventeenth edition of the tournament which was part of the 2021 ATP Challenger Tour. It took place in Knoxville, United States between 8 and 14 November 2021.
The 2022 Monterrey Challenger was a professional tennis tournament played on hard courts. It was the twelfth edition of the tournament which was part of the 2022 ATP Challenger Tour. It took place in Monterrey, Mexico from 7 to 13 March 2022.
The 2022 Challenger Biel/Bienne was a professional tennis tournament played on indoor hard courts. It was the second edition of the tournament which was part of the 2022 ATP Challenger Tour. It took place in Biel/Bienne, Switzerland between 21 and 27 March 2022.
The 2022 Indy Challenger was a professional tennis tournament played on indoor hard courts. It was the first edition of the tournament which was part of the 2022 ATP Challenger Tour. It took place in Indianapolis, United States between 18 and 24 July 2022.
The 2022 Lexington Challenger is a professional tennis tournament played on outdoor hard courts. It is the twenty-seventh edition of the tournament which is part of the 2022 ATP Challenger Tour, and the twenty-fifth edition of the tournament which is part of the 2022 ITF Women's World Tennis Tour. It takes place in Lexington, Kentucky, United States between 1 and 7 August 2022.
The 2022 Chicago Men's Challenger was a professional tennis tournament played on hard courts. It was the first edition of the tournament which was part of the 2022 ATP Challenger Tour. It took place in Chicago, United States between 8 and 14 August 2022.
The 2022 Seoul Open Challenger was a professional tennis tournament played on outdoor hard courts. It was the sixth edition of the tournament. It was part of the 2022 ATP Challenger Tour. It took place in Seoul, South Korea, between 10 and 16 October 2022.
Stefan Kozlov 
