Pablo Cuevas was the defending champion and successfully defended his title, defeating Pablo Carreño Busta in the final, 7–6(7–4), 6–3.
Novak Djokovic defeated the defending champion Andy Murray in the final, 6–2, 3–6, 6–3, to win the men's singles title at the 2016 Madrid Open. It was Djokovic's second title in Madrid and his record 29th ATP Masters 1000 title.
Víctor Estrella Burgos was the two-time defending champion and successfully defended his title, defeating Paolo Lorenzi in the final, 6–7(2–7), 7–5, 7–6(8–6).
Víctor Estrella Burgos was the three-time defending champion and the tournament's only champion to date, but lost in the second round to Gerald Melzer.
John Isner defeated Alexander Zverev in the final, 6–7(4–7), 6–4, 6–4 to win the men's singles tennis title at the 2018 Miami Open. It was his maiden Masters 1000 title. Isner became the first new Miami Open champion in nine years.
Two-time defending champion Rafael Nadal successfully defended his title, defeating Kei Nishikori in the final, 6–3, 6–2, to win the singles title at the 2018 Monte-Carlo Masters. It was his record-extending 11th Monte-Carlo Masters title and his record 31st ATP Masters title. By winning the title, Nadal also retained the ATP no. 1 singles ranking.
Novak Djokovic was the defending champion, but chose not to participate this year.
Dominic Thiem defeated Daniil Medvedev in the final, 6–4, 6–0, to win the singles title at the 2019 Barcelona Open.
Lorenzo Sonego was the defending champion but chose not to participate. Alex de Minaur won the title, having defeated in the final Alexander Bublik with the score 2-0 ret.
Matteo Berrettini defeated Aslan Karatsev in the final, 6–1, 3–6, 7–6(7–0), to win the men's singles tennis title at the 2021 Serbia Open.
Rafael Nadal defeated the defending champion Novak Djokovic in the final, 7–5, 1–6, 6–3 to win the men's singles tennis title at the 2021 Italian Open. It was his record-extending 10th Italian Open title and record-equaling 36th Masters 1000 title overall. Nadal saved two match points in his third round match against Denis Shapovalov en route to the title. This was also the fourth time that Nadal had won a tournament on 10 or more occasions, making him the only tennis player with the feat.
This was the first edition of the tournament.
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.
Ugo Humbert was the defending champion, but chose not to participate this year.
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.
Taylor Fritz defeated Rafael Nadal in the final, 6–3, 7–6(7–5) to win the men's singles tennis title at the 2022 Indian Wells Masters. It was his maiden Masters 1000 title and second career title overall. Fritz became the first American to win the title since Andre Agassi in 2001, and ended Nadal's 20-match winning streak, dating back to the 2022 Melbourne Open.
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 Casper Ruud in the final, 7–5, 6–4 to win the men's singles tennis title at the 2022 Miami Open. It was his first ATP Tour Masters 1000 title, and he became the first Spaniard to win the title. The victory also made Alcaraz, at 18 years and 333 days old, the youngest men's singles titlist in Miami Open history, and the youngest Masters 1000 champion since Rafael Nadal at the 2005 Monte Carlo Masters. Ruud became the first Norwegian to reach a Masters 1000 final, and the first Scandinavian since Robin Söderling at the 2010 Paris Masters.
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 tour-level career match by reaching the final. It was the first title he won in 2022.
Carlos Alcaraz defeated the defending champion Alexander Zverev in the final, 6–3, 6–1 to win the men's singles tennis title at the 2022 Madrid Masters. Alcaraz also became the first man to defeat Rafael Nadal and Novak Djokovic in the same clay court tournament, which he did in the quarterfinals and semifinals, respectively.
Novak Djokovic 
Alex Molčan 
