The 2016 Knoxville Challenger was a professional tennis tournament played on indoor hard courts. It was the thirteenth edition of the tournament which was part of the 2016 ATP Challenger Tour. It took place in Knoxville, United States between 6 and 13 November 2016.
The 2017 Savannah Challenger was a professional tennis tournament played on clay courts. It was the ninth edition of the tournament which was part of the 2017 ATP Challenger Tour. It took place in Savannah, Georgia, United States between 1 and 7 May 2017.
The 2017 Cary Challenger was a professional tennis tournament played on hard courts. It was the 3rd edition of the tournament which was part of the 2017 ATP Challenger Tour. It took place in Cary, North Carolina, United States between 11 and 17 September 2017.
The 2017 Stockton ATP Challenger was a professional tennis tournament played on hard courts. It was the second edition of the tournament which was part of the 2017 ATP Challenger Tour. It took place in Stockton, California, United States between 2 October and 8 October 2017.
The 2017 Las Vegas Challenger was a professional tennis tournament played on hard courts. It was the third edition of the revamped tournament which was the part of the 2017 ATP Challenger Tour. It took place in Las Vegas, United States between 16 and 22 October 2017.
The 2017 Charlottesville Men's Pro Challenger was a professional tennis tournament played on indoor hard courts. It was the ninth edition of the tournament which was part of the 2017 ATP Challenger Tour, taking place in Charlottesville, United States from October 30 to November 5, 2017.
The 2018 Levene Gouldin & Thompson Tennis Challenger was a professional tennis tournament played on hard court. It was the 25th edition of the tournament which was part of the 2018 ATP Challenger Tour. It took place in Binghamton, United States between 23 and 29 July 2018.
The 2018 Kentucky Bank Tennis Championships was a professional tennis tournament played on outdoor hard courts. It was the twenty-third (ATP) and twenty-first (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 Lexington, United States, on 30 July–5 August 2018.
The 2018 Columbus Challenger was a professional tennis tournament played on indoor hard courts. It was the fifth edition of the tournament which was part of the 2018 ATP Challenger Tour. It took place in Columbus, United States between 17 and 23 September 2018.
The 2018 Tiburon Challenger was a professional tennis tournament played on outdoor hard courts. It was the twelfth edition of the tournament which was part of the 2018 ATP Challenger Tour. It took place in Tiburon, United States between 24 and 30 September 2018.
The 2018 Las Vegas Challenger was a professional tennis tournament played on hard courts. It was the fourth edition of the revamped tournament which was the part of the 2018 ATP Challenger Tour. It took place in Las Vegas, United States between 22 and 28 October 2018.
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 Columbus Challenger was a professional tennis tournament played on indoor hard courts. It was the sixth edition of the tournament which was part of the 2019 ATP Challenger Tour. It took place in Columbus, United States between 7 and 13 January 2019.
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 28 January and 3 February 2019.
The 2019 Columbus Challenger II was a professional tennis tournament played on hard courts. It was the seventh edition of the tournament which was part of the 2019 ATP Challenger Tour. It took place in Columbus, United States between 10 and 16 June 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 10 and 16 February 2020.
The 2022 Columbus Challenger was a professional tennis tournament played on indoor hard courts. It was the eleventh edition of the men's tournament which was part of the 2022 ATP Challenger Tour. It took place in Columbus, United States between January 24 and 30 2022.
The 2022 Sarasota Open was a professional tennis tournament played on clay courts. It was the 12th edition of the tournament which was part of the 2022 ATP Challenger Tour. It took place in Sarasota, Florida, United States between 11 and 17 April 2022.
The 2022 Tallahassee Tennis Challenger was a professional tennis tournament played on green clay courts. It was the 22nd edition of the tournament which was part of the 2022 ATP Challenger Tour. It took place in Tallahassee, Florida, United States between 18 and 24 April 2022.
The 2022 Shymkent Challenger II was a professional tennis tournament played on clay courts. It was the sixth edition of the tournament which was part of the 2022 ATP Challenger Tour. It took place in Shymkent, Kazakhstan between 16 and 21 May 2022.
Mikael Torpegaard 
Miķelis Lībietis / 
Dennis Novikov 
