| Singles | |
|---|---|
| 2023 Zadar Open | |
| Champion |  Alessandro Giannessi |
| Runner-up |  Sebastian Ofner |
| Score | 6–4, 5–7, 7–6(8–6) |
Flavio Cobolli was the defending champion [1] but lost in the semifinals to Sebastian Ofner.
Alessandro Giannessi won the title after defeating Ofner 6–4, 5–7, 7–6(8–6) in the final.
Tseng Chun-hsin (second round)
Jozef Kovalík (second round)
Ryan Peniston (first round) Sebastian Ofner (final) Flavio Cobolli (semifinals)
Laurent Lokoli (withdrew)
Vít Kopřiva (first round) Manuel Guinard (first round)| Semifinals | Final | ||||||||||||
| 5 | Flavio Cobolli | 5 | 5 | ||||||||||
| 4 | Sebastian Ofner | 7 | 7 | ||||||||||
| 4 | Sebastian Ofner | 4 | 7 | 66 | |||||||||
| Alessandro Giannessi | 6 | 5 | 78 | ||||||||||
| Alessandro Giannessi | 6 | 6 | |||||||||||
| Arthur Cazaux | 3 | 4 | |||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1 | C-h Tseng | 6 | 7 | ||||||||||||||||||||||||
| LL |  N Milojević | 4 | 5 | 1 | C-h Tseng | 6 | 1 | 4 | |||||||||||||||||||
| Q | G Zeppieri | 6 | 6 | Q | G Zeppieri | 4 | 6 | 6 | |||||||||||||||||||
| Q | D Pichler | 1 | 4 | Q | G Zeppieri | 6 | 2 | 1 | |||||||||||||||||||
 FC Jianu | 1 | 64 | 5 | F Cobolli | 3 | 6 | 6 | ||||||||||||||||||||
 D Džumhur | 6 | 77 | D Džumhur | 6 | 2 | 5 | |||||||||||||||||||||
| WC |  M Poljičak | 1 | 3 | 5 | F Cobolli | 3 | 6 | 7 | |||||||||||||||||||
| 5 | F Cobolli | 6 | 6 | 5 | F Cobolli | 5 | 5 | ||||||||||||||||||||
| 4 | S Ofner | 77 | 2 | 6 | 4 | S Ofner | 7 | 7 | |||||||||||||||||||
| N Fatić | 61 | 6 | 2 | 4 | S Ofner | 1 | 77 | 6 | |||||||||||||||||||
| M Zekić | 6 | 3 | 2 |  DN Mădăraș | 6 | 63 | 4 | ||||||||||||||||||||
| DN Mădăraș | 2 | 6 | 6 | 4 | S Ofner | 6 | 6 | ||||||||||||||||||||
| Q | J Ocleppo | 3 | 6 | 4 | M Gigante | 4 | 1 | ||||||||||||||||||||
| M Gigante | 6 | 2 | 6 | M Gigante | 6 | 6 | |||||||||||||||||||||
| H Međedović | 6 | 6 | H Međedović | 1 | 2 | ||||||||||||||||||||||
| 7 | V Kopřiva | 4 | 2 | ||||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 8 | M Guinard | 4 | 2 | ||||||||||||||||||||||||
| A Giannessi | 6 | 6 | A Giannessi | 77 | 6 | ||||||||||||||||||||||
| N Serdarušić | 6 | 6 | N Serdarušić | 64 | 3 | ||||||||||||||||||||||
| G Mager | 4 | 2 | A Giannessi | 78 | 6 | ||||||||||||||||||||||
| LL | S Caruso | 3 | 77 | 6 |  Z Piros | 66 | 2 | ||||||||||||||||||||
 K Coppejans | 6 | 64 | 1 | LL | S Caruso | 2 | 3 | ||||||||||||||||||||
| Z Piros | 6 | 6 | Z Piros | 6 | 6 | ||||||||||||||||||||||
| 3 | R Peniston | 4 | 4 | A Giannessi | 6 | 6 | |||||||||||||||||||||
| Q | G Fonio | 6 | 4 | 2 | A Cazaux | 3 | 4 | ||||||||||||||||||||
| A Cazaux | 4 | 6 | 6 | A Cazaux | 6 | 6 | |||||||||||||||||||||
| T Droguet | 4 | 6 | 4 | WC | D Ajduković | 3 | 4 | ||||||||||||||||||||
| WC | D Ajduković | 6 | 3 | 6 | A Cazaux | 6 | 6 | ||||||||||||||||||||
| WC | D Prižmić | 6 | 6 | WC | D Prižmić | 1 | 1 | ||||||||||||||||||||
| Q | M Bašić | 1 | 3 | WC | D Prižmić | 6 | 6 | ||||||||||||||||||||
| Q |  Jeremy Jahn | 7 | 3 | 2 | 2 | J Kovalík | 3 | 4 | |||||||||||||||||||
| 2 | J Kovalík | 5 | 6 | 6 | |||||||||||||||||||||||
Pablo Cuevas was the three-time defending champion, but lost in the semifinals to Fabio Fognini.
Matheus Pucinelli de Almeida and Thiago Agustín Tirante won the boys' doubles tennis title at the 2019 French Open, defeating Flavio Cobolli and Dominic Stricker in the final, 7–6(7–3), 6–4.
Matteo Berrettini defeated Cameron Norrie in the final, 6–4, 6–7(5–7), 6–3, to win the singles tennis title at the 2021 Queen's Club Championships. Berrettini's win earned him his fourth career ATP Tour singles title, his first ATP 500 victory, and also made him the first player to win the tournament on their main draw debut since Boris Becker in 1985. Norrie was contesting for his first title in his fourth career final.
Kevin Anderson defeated Jenson Brooksby in the final, 7–6(10–8), 6–4, to win the singles tennis title at the 2021 Hall of Fame Open. It was played on outdoor grass courts and was part of the 250 series of the 2021 ATP Tour. It took place at the International Tennis Hall of Fame in Newport, Rhode Island, United States from 12 to 18 July 2021.
Andrey Rublev defeated Félix Auger-Aliassime in the final, 7–5, 7–6(7–4) to win the singles title at the 2022 Open 13 Provence.
Nikola Milojević was the defending champion but lost in the first round to Eduard Esteve Lobato.
Andrey Rublev defeated Novak Djokovic in the final, 6–2, 6–7(4–7), 6–0 to win the singles tennis title at the 2022 Serbia Open.
Novak Djokovic defeated Stefanos Tsitsipas in the final, 6–0, 7–6(7–5) to win the men's singles tennis title at the 2022 Italian Open. It was his sixth Italian Open title and record-extending 38th Masters 1000 title overall. Djokovic did not lose a set during the tournament, and won his 1000th ATP Tour-level career match against Casper Ruud in the semifinals.
Jannik Sinner defeated the defending champion Carlos Alcaraz in the final, 6–7(5–7), 6–1, 6–1 to win the singles tennis title at the 2022 Croatia Open Umag.
Félix Auger-Aliassime defeated J. J. Wolf in the final, 6–4, 6–4 to win the singles tennis title at the 2022 Firenze Open. It was his second ATP Tour singles title.
Tallon Griekspoor defeated Benjamin Bonzi in the final, 4–6, 7–5, 6–3 to win the singles tennis title at the 2023 Maharashtra Open. It was his first ATP Tour singles title.
Tallon Griekspoor was the defending champion but chose not to defend his title.
Evgenii Tiurnev was the defending champion but chose not to defend his title.
Defending champion Holger Rune defeated Botic van de Zandschulp in a rematch of the previous year's final, 6–4, 1–6, 7–6(7–3) to win the singles tennis title at the 2023 Bavarian International Tennis Championships. In the third set of the final, Rune recovered from being a double-break down and saved four championship points en route to victory.
Alexei Popyrin defeated Stan Wawrinka in the final, 6–7(5–7), 6–3, 6–4 to win the singles tennis title at the 2023 Croatia Open Umag. It was his second ATP Tour singles title.
Jordan Thompson defeated Casper Ruud in the final, 6–3, 7–6(7–4) to win the singles tennis title at the 2024 Los Cabos Open. It was his first ATP Tour singles title and he saved three match points en route, in the quarterfinals against Alex Michelsen.
Matteo Berrettini defeated the defending champion Roberto Carballés Baena in the final, 7–5, 6–2 to win the singles tennis title at the 2024 Grand Prix Hassan II. It was his first ATP Tour title in two years, and his eighth overall.
Casper Ruud defeated Tomáš Macháč in the final, 7–5, 6–3 to win the singles title at the 2024 Geneva Open. It was his third title at the tournament in four years. Ruud saved a match point en route to his 12th ATP Tour singles title, in the semifinals against Flavio Cobolli.
Sebastian Korda defeated Flavio Cobolli in the final, 4–6, 6–2, 6–0 to win the men's singles tennis title at the 2024 Washington Open. It was Korda's second ATP Tour title, first ATP 500 title, first title since 2021, and first hardcourt title after previous five hardcourt runner-up finishes. Both players saved match points en route to the final: Korda saved two in his third-round match against Thanasi Kokkinakis, while Cobolli saved five in his third-round match against Alejandro Davidovich Fokina. Korda's father Petr won the title at the same tournament in 1992, marking the first time that a father-son duo won the same ATP tournament.
Rajeev Ram and Joe Salisbury are the three-time defending champions. They are seeking to become the first doubles team in the Open Era to win four consecutive US Open titles.