The 2017 Koblenz Open was a professional tennis tournament played on indoor hard courts. It was the first edition of the tournament which was part of the 2017 ATP Challenger Tour. It took place in Koblenz, Germany between 17 and 22 January 2017.
The 2018 Koblenz Open was a professional tennis tournament played on indoor hard courts. It was the second edition of the tournament which was part of the 2018 ATP Challenger Tour. It took place in Koblenz, Germany between 16 and 21 January 2018.
The 2019 Koblenz Open was a professional tennis tournament played on indoor hard courts. It was the third edition of the tournament which was part of the 2019 ATP Challenger Tour. It took place in Koblenz, Germany between 14 and 20 January 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 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 Challenger Banque Nationale de Granby was a professional tennis tournament played on outdoor hard courts. It was the twenty-sixth (men) and ninth (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 Granby, Quebec, Canada between 22 and 28 July 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 Odlum Brown Vancouver Open was a professional tennis tournament played on outdoor hard courts. It was the fourteenth (men) and seventeenth (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 Vancouver, Canada between 12 and 17 August 2019.
The 2019 Internazionali di Tennis del Friuli Venezia Giulia was a professional tennis tournament played on clay courts. It was the sixteenth (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 Cordenons, Italy between 5 and 18 August 2019.
The 2019 Jinan International Open was a professional tennis tournament played on outdoor hard courts. It was the third (men) and second (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 Jinan, China between 26 August and 8 September 2019.
The 2019 Liuzhou Open was a professional tennis tournament played on hard courts. It was the second edition of the tournament for men and fourth edition for women. It was the part of the 2019 ATP Challenger Tour and 2019 ITF Women's World Tennis Tour. It took place in Liuzhou, China between 21 October and 3 November 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 2020 Burnie International was a professional tennis tournament played on outdoor hard courts. It was the seventeenth (men) and eleventh (women) editions of the tournament which was part of the 2020 ATP Challenger Tour and the 2020 ITF Women's World Tennis Tour. It took place in Burnie, Australia between 27 January and 2 February 2020.
The 2020 Koblenz Open was a professional tennis tournament played on indoor hard courts. It was the fourth edition of the tournament which was part of the 2020 ATP Challenger Tour. It took place in Koblenz, Germany from 17 to 23 February 2020.
The 2021 Antalya Challenger II was a professional tennis tournament played on clay courts. It was the second edition of the tournament which was part of the 2021 ATP Challenger Tour. It took place in Antalya, Turkey between 1 and 7 February 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 2022 Slovak Open was a professional tennis tournament played on hard courts. It was the 24th edition of the tournament which was part of the 2022 ATP Challenger Tour and the ninth edition of the tournament which was part of the 2022 ITF Women's World Tennis Tour. It took place in Bratislava, Slovakia between 7 and 20 November 2022.
The 2023 Koblenz Open was a professional tennis tournament played on indoor hard courts. It was the fifth edition of the tournament which was part of the 2023 ATP Challenger Tour. It took place in Koblenz, Germany from 30 January to 5 February 2023.
Jurij Rodionov 
Sander Arends / 
