| Singles | |
|---|---|
| 2021 Lošinj Open | |
| Champion |  Carlos Taberner |
| Runner-up |  Marco Cecchinato |
| Final score | Walkover |
This was the first edition of the tournament. [1]
Carlos Taberner won the title by walkover after Marco Cecchinato withdrew before the final.
| Singles | |
|---|---|
| 2021 Lošinj Open | |
| Champion | Carlos Taberner |
| Runner-up | Marco Cecchinato |
| Final score | Walkover |
This was the first edition of the tournament. [1]
Carlos Taberner won the title by walkover after Marco Cecchinato withdrew before the final.
Marco Cecchinato (final, withdrew) Carlos Taberner (champion)
Andrej Martin (second round)
Nikola Milojević (first round)
Blaž Rola (first round) Alessandro Giannessi (semifinals)
Jay Clarke (first round)
Mathias Bourgue (quarterfinals)| Semifinals | Final | ||||||||||||
| 1 | Marco Cecchinato | 6 | 77 | ||||||||||
 Nerman Fatić | 3 | 64 | |||||||||||
| 1 | Marco Cecchinato | ||||||||||||
| 2 | Carlos Taberner | w/o | |||||||||||
| 6 | Alessandro Giannessi | 4 | 3 | ||||||||||
| 2 | Carlos Taberner | 6 | 6 | ||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1 | M Cecchinato | 77 | 77 | ||||||||||||||||||||||||
| Alt | Á López San Martín | 65 | 62 | 1 | M Cecchinato | 64 | 77 | 6 | |||||||||||||||||||
| M Guinard | 6 | 3 | 4 |  N Serdarušić | 77 | 64 | 1 | ||||||||||||||||||||
| N Serdarušić | 2 | 6 | 6 | 1 | M Cecchinato | 6 | 2 | 7 | |||||||||||||||||||
| Alt | A Šetkić | 6 | 6 | 8 | M Bourgue | 0 | 6 | 5 | |||||||||||||||||||
| WC |  Anthony Genov | 3 | 4 | Alt | A Šetkić | 0 | 2 | ||||||||||||||||||||
| D Petrović | 2r | 8 | M Bourgue | 6 | 6 | ||||||||||||||||||||||
| 8 | M Bourgue | 5 | 1 | M Cecchinato | 6 | 77 | |||||||||||||||||||||
| 3 | A Martin | 77 | 6 | N Fatić | 3 | 64 | |||||||||||||||||||||
| WC | M Poljičak | 62 | 3 | 3 | A Martin | 1 | 611 | ||||||||||||||||||||
| Q |  F Misolic | 6 | 6 | Q | F Misolic | 6 | 713 | ||||||||||||||||||||
| Q |  A Kadhe | 1 | 2 | Q | F Misolic | 66 | 2 | ||||||||||||||||||||
| Q | N Álvarez Varona | 5 | 2 | N Fatić | 78 | 6 | |||||||||||||||||||||
| N Fatić | 7 | 6 | N Fatić | 6 | 2 | 6 | |||||||||||||||||||||
| Q |  Georgii Kravchenko | 6 | 6 | Q | G Kravchenko | 3 | 6 | 3 | |||||||||||||||||||
| 5 | B Rola | 4 | 2 | ||||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 6 | A Giannessi | 77 | 7 | ||||||||||||||||||||||||
 R Haase | 64 | 5 | 6 | A Giannessi | 79 | 3 | 6 | ||||||||||||||||||||
| D Ajduković | 62 | 0 | F Agamenone | 67 | 6 | 1 | |||||||||||||||||||||
| F Agamenone | 77 | 6 | 6 | A Giannessi | 6 | 66 | 6 | ||||||||||||||||||||
| Alt | R Brancaccio | 6 | 3 | 6 | Alt | R Brancaccio | 3 | 78 | 1 | ||||||||||||||||||
 E Kırkın | 3 | 6 | 2 | Alt | R Brancaccio | 6 | 6 | ||||||||||||||||||||
| C Gimeno Valero | 6 | 6 | C Gimeno Valero | 4 | 1 | ||||||||||||||||||||||
| 4 | N Milojević | 3 | 1 | 6 | A Giannessi | 4 | 3 | ||||||||||||||||||||
| 7 | J Clarke | 3 | 6 | 3 | 2 | C Taberner | 6 | 6 | |||||||||||||||||||
| A Arnaboldi | 6 | 3 | 6 | A Arnaboldi | 6 | 3 | 6 | ||||||||||||||||||||
 J Forejtek | 6 | 6 | J Forejtek | 3 | 6 | 4 | |||||||||||||||||||||
| WC |  VV Cornea | 4 | 4 | A Arnaboldi | 2 | 0 | |||||||||||||||||||||
| G Blancaneaux | 6 | 6 | 2 | C Taberner | 6 | 6 | |||||||||||||||||||||
| FC Jianu | 2 | 3 | G Blancaneaux | 61 | 6 | 1 | |||||||||||||||||||||
| J Barranco Cosano | 4 | 3 | 2 | C Taberner | 77 | 3 | 6 | ||||||||||||||||||||
| 2 | C Taberner | 6 | 6 | ||||||||||||||||||||||||
Tommy Robredo was the defending champion, but lost to Pablo Cuevas in the final, 3–6, 4–6.
Robin Haase was the defending champion but chose not to defend his title.
Alexandr Dolgopolov was the defending champion, but withdrew before the tournament began.
Dominic Thiem was the defending champion, but lost in the quarterfinals to Fernando Verdasco.
Rogério Dutra Silva was the defending champion but lost in the quarterfinals to Carlos Gómez-Herrera.
Andrey Rublev was the defending champion, but lost in the quarterfinals to Robin Haase. This was Rublev's first tournament back on tour after missing three months due to a stress fracture in his back.
Leonardo Mayer was the defending champion, but lost in the final to Nikoloz Basilashvili, 4–6, 6–0, 5–7. This was Basilashvili's first ATP World Tour title, as well as the first ATP title won by a Georgian player since Alexander Metreveli.
Rafael Nadal was the defending champion but withdrew with a knee injury before the tournament began.
Roberto Bautista Agut was the defending champion, but withdrew before the tournament began.
Dominic Thiem was the defending champion, but lost to Diego Schwartzman in the semifinals.
Thiago Monteiro was the defending champion and successfully defended his title, defeating Marco Cecchinato 7–6(7–3), 6–7(6–8), 7–5 in the final.
Stefanos Tsitsipas defeated Andrey Rublev in the final, 6–3, 6–3 to win the singles tennis title at the 2021 Monte-Carlo Masters. It was his first ATP Tour Masters 1000 title, making him the first Greek man to win a tournament at this level. Rublev was also in contention for his maiden Masters 1000 title.
Alexander Zverev defeated Matteo Berrettini in the final, 6–7(8–10), 6–4, 6–3 to win the men's singles tennis title at the 2021 Madrid Open. It was Zverev's fourth ATP Masters 1000 title, his first since winning Madrid in 2018, and his 15th career ATP Tour singles title overall. Berrettini was in contention to become the second Italian to be crowned a Masters 1000 champion in his first final at this level.
Miomir Kecmanović was the defending champion, but chose to compete at the Summer Olympics instead.
Casper Ruud defeated the defending champion Diego Schwartzman in the final, 5–7, 6–2, 6–3 to win the singles title at the 2022 Argentina Open.
Carlos Alcaraz defeated Diego Schwartzman in the final, 6–4, 6–2 to win the singles title at the 2022 Rio Open. Alcaraz became the youngest winner of an ATP Tour 500 event since the category was created in 2009.
This was the first edition of the tournament.
Gianluca Mager was the defending champion but chose not to defend his title.
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 in his semifinal match 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.
Sebastián Báez defeated Frances Tiafoe in the final, 6–3, 6–2 to win the singles tennis title at the 2022 Estoril Open. It was his maiden ATP Tour title.