| Singles | |
|---|---|
| 2021 Tali Open | |
| Champion |  Alex Molčan |
| Runner-up |  João Sousa |
| Score | 6–3, 6–2 |
Emil Ruusuvuori was the defending champion [1] but withdrew from the tournament before his first round match.
Alex Molčan won the title after defeating João Sousa 6–3, 6–2 in the final.
Emil Ruusuvuori (withdrew)
Henri Laaksonen (semifinals) Alex Molčan (champion)
Egor Gerasimov (first round)
Oscar Otte (quarterfinals)
Liam Broady (quarterfinals) Jozef Kovalík (first round)
Nikola Milojević (quarterfinals)| Semifinals | Final | ||||||||||||
| Q |  Alexander Shevchenko | 2 | 64 | ||||||||||
| 3 | Alex Molčan | 6 | 77 | ||||||||||
| 3 | Alex Molčan | 6 | 6 | ||||||||||
| João Sousa | 3 | 2 | |||||||||||
| João Sousa | 6 | 6 | |||||||||||
| 2 | Henri Laaksonen | 4 | 3 | ||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| LL |  K Jacquet | 2 | 1 | ||||||||||||||||||||||||
| Q | A Shevchenko | 6 | 6 | Q | A Shevchenko | 78 | 5 | ||||||||||||||||||||
 K Coppejans | 4 | 4 | Alt | M Bachinger | 66 | 1r | |||||||||||||||||||||
| Alt | M Bachinger | 6 | 6 | Q | A Shevchenko | 6 | 0 | ||||||||||||||||||||
 E Gómez | 6 | 2 | 3 | M Moraing | 4 | 0r | |||||||||||||||||||||
| M Marterer | 4 | 6 | 6 | M Marterer | 65 | 6 | 4 | ||||||||||||||||||||
| M Moraing | 6 | 6 | M Moraing | 77 | 2 | 6 | |||||||||||||||||||||
| 7 | J Kovalík | 3 | 4 | Q | A Shevchenko | 2 | 64 | ||||||||||||||||||||
| 3 | A Molčan | 6 | 0 | 77 | 3 | A Molčan | 6 | 77 | |||||||||||||||||||
 T van Rijthoven | 4 | 6 | 61 | 3 | A Molčan | 6 | 6 | ||||||||||||||||||||
| F Ferreira Silva | 3 | 6 | 3r | Q |  S Mochizuki | 3 | 2 | ||||||||||||||||||||
| Q | S Mochizuki | 6 | 2 | 4 | 3 | A Molčan | 6 | 4 | 6 | ||||||||||||||||||
 J Rodionov | 7 | 6 | 5 | O Otte | 3 | 6 | 1 | ||||||||||||||||||||
 M Safwat | 5 | 4 | J Rodionov | 1 | 2 | ||||||||||||||||||||||
 D Džumhur | 2 | 3 | 5 | O Otte | 6 | 6 | |||||||||||||||||||||
| 5 | O Otte | 6 | 6 | ||||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 6 | L Broady | 6 | 6 | ||||||||||||||||||||||||
| SE |  Z Piros | 3 | 2 | 6 | L Broady | 6 | 7 | ||||||||||||||||||||
| Q | J De Loore | 6 | 6 | Q | J De Loore | 3 | 5 | ||||||||||||||||||||
| T Kamke | 3 | 4 | 6 | L Broady | 77 | 2 | 61 | ||||||||||||||||||||
| J Sousa | 6 | 711 | J Sousa | 63 | 6 | 77 | |||||||||||||||||||||
| WC | P Niklas-Salminen | 3 | 69 | J Sousa | 5 | 6 | 6 | ||||||||||||||||||||
| Q |  J Forejtek | 4 | 6 | 6 | Q | J Forejtek | 7 | 4 | 4 | ||||||||||||||||||
| 4 | E Gerasimov | 6 | 3 | 4 | J Sousa | 6 | 6 | ||||||||||||||||||||
| 8 | N Milojević | 6 | 6 | 2 | H Laaksonen | 4 | 3 | ||||||||||||||||||||
 F Cobolli | 3 | 2 | 8 | N Milojević | 3 | 6 | 6 | ||||||||||||||||||||
 R Ramanathan | 4 | 6 | 6 | R Ramanathan | 6 | 1 | 2 | ||||||||||||||||||||
| WC | O Virtanen | 6 | 4 | 3 | 8 | N Milojević | 2 | 3 | |||||||||||||||||||
| WC | J Draper | 5 | 1 | 2 | H Laaksonen | 6 | 6 | ||||||||||||||||||||
| Alt | J Lenz | 7 | 6 | Alt | J Lenz | 2 | 5 | ||||||||||||||||||||
 D Istomin | 3 | 3 | 2 | H Laaksonen | 6 | 7 | |||||||||||||||||||||
| 2 | H Laaksonen | 6 | 6 | ||||||||||||||||||||||||
Paolo Lorenzi was the defending champion but lost in the third round to Markus Eriksson.
Lukáš Lacko was the defending champion but chose not to defend his title.
This was the first edition of the tournament.
Roger Federer was the defending champion, but withdrew from the tournament after undergoing surgery on his right knee.
Andy Murray was the defending champion, but this year he decided to participate in the Cologne event instead, where he later withdrew due to hip injury.
Frederik Nielsen and Tim Pütz were the defending champions but chose not to defend their title.
Aslan Karatsev won his first ATP Tour singles title, defeating Lloyd Harris in the final, 6–3, 6–2 to win the men's singles tennis title at the 2021 Dubai Tennis Championships. Karatsev became the second wildcard in the tournament's history to win the men's singles title. Harris was the first qualifier to reach the final of the Dubai Tennis Championships.
This was the first edition of the tournament, primarily created due to the one-week delay of the 2021 French Open.
Marin Čilić defeated Félix Auger-Aliassime in the final, 7–6(7–2), 6–3 to win the singles tennis title at the 2021 Stuttgart Open. It was Čilić's 19th career ATP Tour singles title, his first in three years, and he did not drop a set en route to the victory. The No. 47-ranked, 32-year-old Čilić also became the lowest-ranked winner since Juan Carlos Ferrero in 2011 and the third-oldest champion in tournament history. Defending finalist Auger-Aliassime was contesting for his first career singles title in his eighth final.
Nikola Milojević was the defending champion but lost in the second round to Tomáš Macháč.
Daniil Medvedev defeated Reilly Opelka in the final, 6–4, 6–3 to win the men's singles tennis title at the 2021 Canadian Open. It was his fourth ATP Masters 1000 title and 12th career title. Opelka was contesting his maiden Masters 1000 final.
João Sousa defeated Emil Ruusuvuori in the final, 7–6(11–9), 4–6, 6–1 to win the singles title at the 2022 Tata Open Maharashtra. Sousa saved three match points against Elias Ymer in the semifinals. This was his first title since 2018.
Andrey Rublev defeated Jiří Veselý in the final, 6–3, 6–4 to win the men's singles title at the 2022 Dubai Tennis Championships. It was Rublev's tenth career singles title. Veselý entered the tournament ranked as the world No. 123, and was the lowest-ranked finalist in the tournament's history.
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.
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.
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.
Borna Ćorić defeated Stefanos Tsitsipas in the final, 7–6(7–0), 6–2 to win the men's singles tennis title at the 2022 Cincinnati Masters. It was his first Masters 1000 title, and his first title overall since 2018, in Halle. Ranked No. 152 in the world and using a protected ranking for entry, Ćorić became the lowest ranked player to win a Masters 1000 event since its inception in 1990. He defeated five seeded players en route to the title.
Alex Molčan was the defending champion but chose not to defend his title.
Pablo Carreño Busta defeated Hubert Hurkacz in the final, 3–6, 6–3, 6–3 to win the men's singles tennis title at the 2022 Canadian Open. It was his maiden Masters 1000 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 maiden ATP Tour singles title.