| Singles | |
|---|---|
| 2023 Saint-Tropez Open | |
| Champion |  Constant Lestienne |
| Runner-up |  Liam Broady |
| Score | 4–6, 6–3, 6–4 |
Mattia Bellucci was the defending champion [1] but lost in the first round to Emilio Nava.
Constant Lestienne won the title after defeating Liam Broady 4–6, 6–3, 6–4 in the final.
Ugo Humbert (withdrew)
Sebastian Ofner (quarterfinals, retired) Grégoire Barrère (second round) Richard Gasquet (first round)
Michael Mmoh (semifinals, retired) Hugo Gaston (first round)
David Goffin (withdrew) Benjamin Bonzi (withdrew) Liam Broady (final)| Semifinals | Final | ||||||||||||
 Radu Albot | 63 | 5 | |||||||||||
| 9 | Liam Broady | 77 | 7 | ||||||||||
| 9 | Liam Broady | 6 | 3 | 4 | |||||||||
| Constant Lestienne | 4 | 6 | 6 | ||||||||||
| 5 | Michael Mmoh | 3r | |||||||||||
| Constant Lestienne | 5 | ||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| LL | K Jacquet | 2 | 5 | ||||||||||||||||||||||||
| Q |  M Lajal | 6 | 7 | Q | M Lajal | 5 | 1 | ||||||||||||||||||||
 G Brouwer | 6 | 6 | G Brouwer | 7 | 6 | ||||||||||||||||||||||
| LL | M Bourgue | 2 | 2 | G Brouwer | 3 | 6 | 2 | ||||||||||||||||||||
| H Grenier | 4 | 3 | R Albot | 6 | 3 | 6 | |||||||||||||||||||||
| R Albot | 6 | 6 | R Albot | 6 | 6 | ||||||||||||||||||||||
| LL | A Cozbinov | 4 | 3 | Q |  P Gojowczyk | 4 | 4 | ||||||||||||||||||||
| Q | P Gojowczyk | 6 | 6 | R Albot | 63 | 5 | |||||||||||||||||||||
| 3 | G Barrère | 6 | 6 | 9 | L Broady | 77 | 7 | ||||||||||||||||||||
| WC | Arthur Géa | 2 | 4 | 3 | G Barrère | 4 | 6 | 3 | |||||||||||||||||||
| A Cazaux | 6 | 6 | A Cazaux | 6 | 4 | 6 | |||||||||||||||||||||
| WC | U Blanchet | 4 | 4 | A Cazaux | 64 | 0r | |||||||||||||||||||||
 L Klein | 4 | 6 | 6 | 9 | L Broady | 77 | 3 | ||||||||||||||||||||
| Q | Jules Marie | 6 | 3 | 3 | L Klein | 2 | 2 | ||||||||||||||||||||
| Q | D Added | 0 | 6 | 4 | 9 | L Broady | 6 | 6 | |||||||||||||||||||
| 9 | L Broady | 6 | 3 | 6 | |||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 5 | M Mmoh | 6 | 1 | 6 | |||||||||||||||||||||||
| J de Jong | 4 | 6 | 4 | 5 | M Mmoh | 6 | 6 | ||||||||||||||||||||
| A Escoffier | 4 | 77 | 2 | LL |  E Coulibaly | 4 | 2 | ||||||||||||||||||||
| LL | E Coulibaly | 6 | 62 | 6 | 5 | M Mmoh | 3 | 6 | 6 | ||||||||||||||||||
| Em Nava | 4 | 6 | 7 |  G Zeppieri | 6 | 3 | 4 | ||||||||||||||||||||
| Alt | M Bellucci | 6 | 1 | 5 | Em Nava | 62 | 2 | ||||||||||||||||||||
| G Zeppieri | 6 | 6 | G Zeppieri | 77 | 6 | ||||||||||||||||||||||
| 4 | R Gasquet | 3 | 2 | 5 | M Mmoh | 3r | |||||||||||||||||||||
| 6 | H Gaston | 3 | 2 | C Lestienne | 5 | ||||||||||||||||||||||
| C Lestienne | 6 | 6 | C Lestienne | 6 | 3 | 6 | |||||||||||||||||||||
| Q | B Harris | 3 | 6 | 2 | Alt | H Mayot | 3 | 6 | 3 | ||||||||||||||||||
| Alt | H Mayot | 6 | 4 | 6 | C Lestienne | 6 | 0 | ||||||||||||||||||||
| Q |  O Krutykh | 2 | 6 | 77 | 2 | S Ofner | 1 | 0r | |||||||||||||||||||
 E Ymer | 6 | 3 | 61 | Q | O Krutykh | 6 | 3 | 4 | |||||||||||||||||||
| L Nardi | 4 | 4 | 2 | S Ofner | 4 | 6 | 6 | ||||||||||||||||||||
| 2 | S Ofner | 6 | 6 | ||||||||||||||||||||||||
Liam Broady and Tom Farquharson were the defending champions but Farquharson was no longer eligible to compete as a Junior. Broady competed with Filip Horanský and lost in the semifinals to George Morgan and Mate Pavić.
George Morgan and Mate Pavić were the defending champions but were no longer eligible to compete as Juniors.
Pierre-Hugues Herbert was the defending champion, but did not participate.
Gaël Monfils was the defending champion, but lost in the second round to Yuki Bhambri.
Alexander Zverev was the defending champion, but chose not to participate this year.
Pedro Sousa was the defending champion but chose not to defend his title.
Blaž Kavčič was the defending champion but chose not to defend his title.
Michael Mmoh was the defending champion but chose not to defend his title.
This was the first edition of the tournament.
Lorenzo Sonego defeated defending champion Laslo Đere in the final, 2–6, 7–6(7–5), 6–4 to win the men's singles title at the 2021 Sardegna Open. With the victory, Sonego became the first Italian in 15 years to capture an ATP Tour title on home soil.
Jo-Wilfried Tsonga was the defending champion but chose not to defend his title.
This was the first edition of the tournament.
Emil Ruusuvuori was the defending champion but withdrew from the tournament before his first round match.
Cameron Norrie defeated Reilly Opelka in the final, 7–6(7–1), 7–6(7–4) to win the singles title at the 2022 Delray Beach Open.
Liam Broady was the defending champion but chose not to defend his title.
Maxime Cressy defeated Alexander Bublik in the final, 2–6, 6–3, 7–6(7–3) to win the men's singles tennis title at the 2022 Hall of Fame Open. It was his maiden ATP Tour title.
Novak Djokovic defeated Marin Čilić in the final, 6–3, 6–4 to win the singles tennis title at the 2022 Tel Aviv Open. Djokovic did not drop a set en route to his 89th ATP Tour-level singles title.
Dušan Lajović defeated Andrey Rublev in the final, 6–3, 4–6, 6–4 to win the inaugural singles tennis title at the 2023 Srpska Open.
Roberto Carballés Baena was the defending champion but chose not to defend his title.
Hugo Grenier was the defending champion but chose not to defend his title.