The 2019 Open de Rennes was a professional tennis tournament played on hard courts. It was the thirteenth edition of the tournament and part of the 2019 ATP Challenger Tour. It took place in Rennes, France between 21 and 27 January 2019.
The 2019 Open BNP Paribas Banque de Bretagne was a professional tennis tournament played on hard courts. It was the ninth edition of the tournament which was part of the 2019 ATP Challenger Tour. It took place in Quimper, France between 28 January and 3 February 2019.
Gaël Monfils was the defending champion and successfully defended his title, defeating Félix Auger-Aliassime in the final, 6–2, 6–4.
Gaël Monfils was the defending champion, but chose not to defend his title.
This was the second edition of the tournament in the 2021 tennis season. Lloyd Glasspool and Harri Heliövaara were the defending champions but lost in the quarterfinals to Enzo Couacaud and Manuel Guinard.
Carlos Alcaraz defeated Pablo Carreño Busta in the final, 6–3, 6–2 to win the singles tennis title at the 2022 Barcelona Open. Alcaraz saved two match points en route to the title, in the semifinals against Alex de Minaur. With the win, Alcaraz entered the top 10 in rankings for the first time in his career, becoming the youngest man to do so since Rafael Nadal in 2005.
Cameron Norrie defeated Alex Molčan in the final, 6–3, 6–7(3–7), 6–1 to win the singles tennis title at the 2022 ATP Lyon Open. Norrie became the first Briton to win a clay court title on the ATP Tour since 2016.
Andrey Rublev defeated Sebastian Korda in the final, 6–2, 6–3 to win the singles tennis title at the 2022 Gijón Open. It was his 12th ATP Tour singles title.
Félix Auger-Aliassime defeated Sebastian Korda in the final, 6–3, 6–4 to win the singles tennis title at the 2022 European Open. It was his second title in as many weeks and third career ATP Tour singles title overall.
Brandon Nakashima was the defending champion but chose not to defend his title.
Tallon Griekspoor was the defending champion but chose not to defend his title.
Jannik Sinner defeated Maxime Cressy in the final, 7–6(7–3), 6–3 to win the singles tennis title at the 2023 Open Sud de France.
Manuel Guinard was the defending champion but chose not to defend his title.
Franco Agamenone and Manuel Guinard were the defending champions but only Agamenone chose to defend his title, partnering Salvatore Caruso. Agamenone lost in the first round to Jacopo Berrettini and Andrea Pellegrino.
Dustin Brown and Evan King were the defending champions but only Brown chose to defend his title, partnering Tim Sandkaulen. Brown lost in the quarterfinals to Manuel Guinard and Grégoire Jacq.
Romain Arneodo and Jonathan Eysseric were the defending champions but only Eysseric chose to defend his title, partnering Miguel Ángel Reyes-Varela. Eysseric lost in the first round to Manuel Guinard and Grégoire Jacq.
Íñigo Cervantes and Oriol Roca Batalla were the defending champions but chose not to defend their title.
The 2023 Dutch Open, also known by its sponsored name Van Mossel Kia Dutch Open, was a professional tennis tournament played on clay courts. It was the fourth edition of the Challenger tournament which was part of the 2023 ATP Challenger Tour. It took place in Amersfoort, Netherlands between 17 and 23 July 2023.
Zdeněk Kolář and Adam Pavlásek were the defending champions but chose not to defend their title.
David Pel and Szymon Walków were the defending champions but only Walków chose to defend his title, partnering Tim Sandkaulen. Walków lost in the first round to Orlando Luz and Sem Verbeek.
Manuel Guinard 
Mats Hermans
