| Singles | |
|---|---|
| 2024 San Marino Open | |
| Champion |  Alexandre Müller |
| Runner-up |  Tseng Chun-hsin |
| Score | 6–3, 4–6, 7–6(7–3) |
Jaume Munar was the defending champion [1] but chose not to defend his title.
Alexandre Müller won the title after defeating Tseng Chun-hsin 6–3, 4–6, 7–6(7–3) in the final. [2]
Fabio Fognini (semifinals)
Francisco Comesaña (semifinals) Alexandre Müller (champion)
Albert Ramos Viñolas (first round) Matteo Gigante (quarterfinals)
Gustavo Heide (quarterfinals) Andrea Pellegrino (quarterfinals) Juan Manuel Cerúndolo (quarterfinals)| Semifinals | Final | ||||||||||||
| 1/WC | Fabio Fognini | 2 | 5 | ||||||||||
| 3 | Alexandre Müller | 6 | 7 | ||||||||||
| 3 | Alexandre Müller | 6 | 4 | 77 | |||||||||
| Tseng Chun-hsin | 3 | 6 | 63 | ||||||||||
| Tseng Chun-hsin | 4 | 6 | 6 | ||||||||||
| 2 | Francisco Comesaña | 6 | 1 | 3 | |||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1/WC | F Fognini | 65 | 6 | 6 | |||||||||||||||||||||||
| Q | P Sakamoto | 77 | 1 | 2 | 1/WC | F Fognini | 1 | 77 | 6 | ||||||||||||||||||
| Samuel Vincent Ruggeri | 6 | 6 | S Vincent Ruggeri | 6 | 65 | 0 | |||||||||||||||||||||
| Q | JL Reis da Silva | 4 | 1 | 1/WC | F Fognini | 7 | 6 | ||||||||||||||||||||
 V Gaubas | 3 | 2 | 5 | M Gigante | 5 | 2 | |||||||||||||||||||||
| K Jacquet | 6 | 6 | K Jacquet | 3 | 3 | ||||||||||||||||||||||
| WC | Andrea Picchione | 1 | 65 | 5 | M Gigante | 6 | 6 | ||||||||||||||||||||
| 5 | M Gigante | 6 | 77 | 1/WC | F Fognini | 2 | 5 | ||||||||||||||||||||
| 3 | A Müller | 6 | 77 | 3 | A Müller | 6 | 7 | ||||||||||||||||||||
| Q |  R Bertola | 1 | 63 | 3 | A Müller | 6 | 6 | ||||||||||||||||||||
| Q | M Alves | 62 | 62 | G Fonio | 3 | 3 | |||||||||||||||||||||
| G Fonio | 77 | 77 | 3 | A Müller | 6 | 6 | |||||||||||||||||||||
| A Collarini | 3 | 6 | 3 | 8 | JM Cerúndolo | 2 | 3 | ||||||||||||||||||||
| WC | M Cecchinato | 6 | 3 | 6 | WC | M Cecchinato | 4 | 62 | |||||||||||||||||||
 G Bueno | 2 | 1 | 8 | JM Cerúndolo | 6 | 77 | |||||||||||||||||||||
| 8 | JM Cerúndolo | 6 | 6 | ||||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 6 | G Heide | 3 | 6 | 6 | |||||||||||||||||||||||
 F Misolic | 6 | 4 | 1 | 6 | G Heide | 6 | 5 | 77 | |||||||||||||||||||
| LL | G Villanueva | 3 | 5 |  N Fatić | 2 | 7 | 65 | ||||||||||||||||||||
| N Fatić | 6 | 7 | 6 | G Heide | 62 | 2 | |||||||||||||||||||||
| C-h Tseng | 6 | 6 | C-h Tseng | 77 | 6 | ||||||||||||||||||||||
| F Maestrelli | 3 | 3 | C-h Tseng | 6 | 6 | ||||||||||||||||||||||
| Q | Carlos López Montagud | 1 | 6 | 6 | Q | C López Montagud | 4 | 3 | |||||||||||||||||||
| 4 | A Ramos Viñolas | 6 | 2 | 2 | C-h Tseng | 4 | 6 | 6 | |||||||||||||||||||
| 7 | A Pellegrino | 6 | 7 | 2 | F Comesaña | 6 | 1 | 3 | |||||||||||||||||||
| Q |  Kirill Kivattsev | 4 | 5 | 7 | A Pellegrino | 6 | 61 | 6 | |||||||||||||||||||
| B Paire | 2 | 1 | Alt | A Weis | 1 | 77 | 2 | ||||||||||||||||||||
| Alt | Alexander Weis | 6 | 6 | 7 | A Pellegrino | 2 | 2 | ||||||||||||||||||||
 N Hardt | 6 | 6 | 2 | F Comesaña | 6 | 6 | |||||||||||||||||||||
| M Janvier | 1 | 3 | N Hardt | 77 | 4 | 4 | |||||||||||||||||||||
| LL | D Dutra da Silva | 1 | 3 | 2 | F Comesaña | 62 | 6 | 6 | |||||||||||||||||||
| 2 | F Comesaña | 6 | 6 | ||||||||||||||||||||||||
Thanasi Kokkinakis and Nick Kyrgios were the defending champions, but were no longer eligible to compete in junior tennis.
Pablo Carreño Busta was the defending champion, but lost in the semifinals to Frances Tiafoe.
Hubert Hurkacz was the defending champion, but chose not to defend his title.
Kelly Jones and Robert Van't Hof were the defending champions, but Jones did not compete this year. Van't Hof teamed up with Laurie Warder and lost in the quarterfinals to Gary Muller and Danie Visser.
Diego Schwartzman defeated Francisco Cerúndolo in the final, 6–1, 6–2 to win the men's singles tennis title at the 2021 Argentina Open.
Albert Ramos Viñolas defeated Cameron Norrie in the final, 4–6, 6–3, 7–6(7–3) to win the singles tennis title at the 2021 Estoril Open. It marked his third career ATP Tour singles title, all of which have been on clay. Norrie was aiming to win his first ATP Tour title in his second final.
Jaume Munar was the defending champion but lost in the semifinals to Juan Ignacio Londero.
Defending champion Stefanos Tsitsipas defeated Alejandro Davidovich Fokina in the final, 6–3, 7–6(7–3) to win the singles tennis title at the 2022 Monte-Carlo Masters. He became the sixth player to win consecutive titles at the Monte-Carlo Masters in the Open Era. The win also earned him his second Masters 1000 title and his eighth career singles title overall.
Francisco Cerúndolo defeated Sebastián Báez in the final, 7–6(7–4), 6–2 to win the men's singles tennis title at the 2022 Swedish Open. It was his maiden ATP Tour title.
Holger Rune was the defending champion but chose not to defend his 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.
Jaume Munar was the defending champion but lost in the quarterfinals to Alexandre Müller.
Borna Ćorić was the defending champion but chose not to defend his title.
Pavel Kotov was the defending champion but chose not to defend his title.
Jannik Sinner defeated the defending champion Daniil Medvedev in the final, 7–6(9–7), 4–6, 6–3 to win the singles tennis title at the 2023 Vienna Open. It was his tenth ATP Tour singles title.
Leandro Riedi was the defending champion but lost in the first round to Damir Džumhur.
Alejandro Tabilo defeated Taro Daniel in the final, 6–2, 7–5 to win the men's singles tennis title at the 2024 ASB Classic. It was his first ATP Tour title, and he became the first qualifier to win an ATP Tour title since Juan Manuel Cerúndolo in 2021.
Ivan Liutarevich and Vladyslav Manafov were the defending champions but lost in the first round to Fernando Romboli and Marcelo Zormann.
Ivan Liutarevich and Vladyslav Manafov were the defending champions but only Liutarevich chose to defend his title, partnering Szymon Walków. They lost in the first round to Alexandru Jecan and Giorgio Ricca.
Jack Draper defeated Karen Khachanov in the final, 6–4, 7–5 to win the singles tennis title at the 2024 Vienna Open. It was his second ATP Tour title and first at the ATP 500 level.