Félix Auger-Aliassime and Denis Shapovalov were the defending champions, however Shapovalov withdrew due to injury. Auger-Aliassime played alongside Benjamin Sigouin, but lost in the final to Juan Carlos Aguilar and Felipe Meligeni Alves, 3–6, 6–7(4–7).
Juan Martín del Potro defeated the defending champion Roger Federer in the final, 6–4, 6–7(8–10), 7–6(7–2) to win the men's singles tennis title at the 2018 Indian Wells Masters. Del Potro saved three championship points en route to his first ATP Tour Masters 1000 title, having been a runner-up on three previous occasions.
Marin Čilić was the defending champion, but lost in the second round to Diego Schwartzman.
Dominic Thiem was the defending champion, but he chose not to defend his title this year.
Bernard Tomic was the defending champion, but retired in the first round of the qualifying tournament against Denis Istomin.
Kevin Anderson was the defending champion, but could not participate this year due to a knee injury.
Gaël Monfils was the defending champion and successfully defended his title, defeating Félix Auger-Aliassime in the final, 6–2, 6–4.
Stefanos Tsitsipas was the defending champion and successfully defended his title, defeating Félix Auger-Aliassime in the final, 6–3, 6–4.
First seed Alexander Zverev won the tournament, defeating second seed Diego Schwartzman 6–2, 6–1 in the final. This was the first edition of the tournament, primarily organised due to the cancellation of many tournaments in 2020, due to the COVID-19 pandemic.
Daniil Medvedev defeated Alexander Zverev in the final, 5–7, 6–4, 6–1, to win the singles title at the 2020 Paris Masters.
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.
Matteo Berrettini was the defending champion from when the event was last held in 2019, but could not participate since he was still competing in the 2021 French Open at the beginning of the tournament.
Daniil Medvedev won the title, defeating Reilly Opelka in the final, 6–4, 6–3. It was his fourth ATP Masters 1000 title and 12th career title.
Alexander Zverev defeated Andrey Rublev in the final, 6–2, 6–3 to win the men's singles title at the 2021 Cincinnati Masters. It was his fifth ATP Tour Masters 1000 title and 17th career singles title on the ATP Tour.
Andrey Rublev was the defending champion, but chose to compete in St. Petersburg instead.
Novak Djokovic defeated the defending champion Daniil Medvedev in the final, 4–6, 6–3, 6–3 to win the singles title at the 2021 Paris Masters. It was his record-extending sixth Paris Masters title and record-breaking 37th ATP Tour Masters 1000 title overall, breaking a tie with Rafael Nadal in the latter category.
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.
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.
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.
Matteo Berrettini 
Félix Auger-Aliassime 
