| Singles | |
|---|---|
| 2016 St. Petersburg Open | |
| Champion |  Alexander Zverev |
| Runner-up |  Stan Wawrinka |
| Final score | 6–2, 3–6, 7–5 |
Milos Raonic was the defending champion, but lost in the second round to Mikhail Youzhny.
Alexander Zverev won his first ATP title, defeating Stan Wawrinka in the final, 6–2, 3–6, 7–5.
The top four seeds receive a bye into the second round.
Stan Wawrinka (final)
Milos Raonic (second round)
Tomáš Berdych (semifinals)
Roberto Bautista Agut (semifinals) Alexander Zverev (champion) Albert Ramos Viñolas (first round)
Viktor Troicki (quarterfinals)
João Sousa (quarterfinals)| Semifinals | Final | ||||||||||||
| 1 | Stan Wawrinka | 710 | 6 | ||||||||||
| 4 | Roberto Bautista Agut | 68 | 2 | ||||||||||
| 1 | Stan Wawrinka | 2 | 6 | 5 | |||||||||
| 5 | Alexander Zverev | 6 | 3 | 7 | |||||||||
| 3 | Tomáš Berdych | 4 | 4 | ||||||||||
| 5 | Alexander Zverev | 6 | 6 | ||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1 | S Wawrinka | 6 | 6 | ||||||||||||||||||||||||
 D Schwartzman | 4 | 4 | L Rosol | 3 | 1 | ||||||||||||||||||||||
| L Rosol | 6 | 6 | 1 | S Wawrinka | 7 | 6 | |||||||||||||||||||||
| D Lajović | 2 | 6 | 6 | 7 | V Troicki | 5 | 2 | ||||||||||||||||||||
| F Verdasco | 6 | 3 | 2 | D Lajović | 4 | 4 | |||||||||||||||||||||
| G Elias | 1 | 2 | 7 | V Troicki | 6 | 6 | |||||||||||||||||||||
| 7 | V Troicki | 6 | 6 | 1 | S Wawrinka | 710 | 6 | ||||||||||||||||||||
| 4 | R Bautista Agut | 68 | 2 | ||||||||||||||||||||||||
| 4 | R Bautista Agut | 4 | 6 | 77 | |||||||||||||||||||||||
 A Mannarino | 67 | 6 | 3 |  R Berankis | 6 | 1 | 62 | ||||||||||||||||||||
| R Berankis | 79 | 3 | 6 | 4 | R Bautista Agut | 4 | 6 | 6 | |||||||||||||||||||
| WC |  A Rublev | 6 | 4 | 8 | J Sousa | 6 | 1 | 2 | |||||||||||||||||||
 M Kukushkin | 3 | 1r | WC | A Rublev | 63 | 6 | 3 | ||||||||||||||||||||
| Q |  R Albot | 6 | 4 | 5 | 8 | J Sousa | 77 | 3 | 6 | ||||||||||||||||||
| 8 | J Sousa | 3 | 6 | 7 | |||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 6 | A Ramos Viñolas | 5 | 2 | ||||||||||||||||||||||||
| Q | A Sidorenko | 7 | 6 | Q | A Sidorenko | 66 | 4 | ||||||||||||||||||||
| Q | M Zverev | 6 | 66 | 0 |  P Lorenzi | 78 | 6 | ||||||||||||||||||||
| P Lorenzi | 3 | 78 | 6 | P Lorenzi | 4 | 3 | |||||||||||||||||||||
| E Donskoy | 3 | 5 | 3 | T Berdych | 6 | 6 | |||||||||||||||||||||
| A Kuznetsov | 6 | 7 | A Kuznetsov | 3 | 6 | 64 | |||||||||||||||||||||
| 3 | T Berdych | 6 | 2 | 77 | |||||||||||||||||||||||
| 3 | T Berdych | 4 | 4 | ||||||||||||||||||||||||
| 5 | A Zverev | 77 | 6 | 5 | A Zverev | 6 | 6 | ||||||||||||||||||||
| WC | K Khachanov | 63 | 4 | 5 | A Zverev | 6 | 7 | ||||||||||||||||||||
| Q | D Medvedev | 6 | 6 | Q | D Medvedev | 3 | 5 | ||||||||||||||||||||
| WC | A Bublik | 4 | 0 | 5 | A Zverev | 6 | 6 | ||||||||||||||||||||
| PR | J Tipsarević | 3 | 5 | M Youzhny | 2 | 2 | |||||||||||||||||||||
| M Youzhny | 6 | 7 | M Youzhny | 2 | 78 | 6 | |||||||||||||||||||||
| 2 | M Raonic | 6 | 66 | 4 | |||||||||||||||||||||||
Radu Albot (qualified) Teymuraz Gabashvili (qualifying competition) Mischa Zverev (qualified) Daniil Medvedev (qualified) Alexander Kudryavtsev (qualifying competition)
James Ward (first round) Alexandre Sidorenko (qualified) Jan Mertl (qualifying competition)| First round | Qualifying competition | ||||||||||||
| 1 | Radu Albot | 6 | 4 | 6 | |||||||||
 Dzmitry Zhyrmont | 2 | 6 | 4 | ||||||||||
| 1 | Radu Albot | 6 | 6 | ||||||||||
| 8 | Jan Mertl | 3 | 4 | ||||||||||
| PR | Nikola Ćaćić | 4 | 3 | ||||||||||
| 8 | Jan Mertl | 6 | 6 | ||||||||||
| First round | Qualifying competition | ||||||||||||
| 2 | Teymuraz Gabashvili | 6 | 4 | 6 | |||||||||
| WC | Mikhail Elgin | 2 | 6 | 3 | |||||||||
| 2 | Teymuraz Gabashvili | 4 | 4 | ||||||||||
| 7 | Alexandre Sidorenko | 6 | 6 | ||||||||||
| Alt | Evgenii Tiurnev | 4 | 3 | ||||||||||
| 7 | Alexandre Sidorenko | 6 | 6 | ||||||||||
| First round | Qualifying competition | ||||||||||||
| 3 | Mischa Zverev | 6 | 6 | ||||||||||
| WC | Maxim Kravtsov | 3 | 0 | ||||||||||
| 3 | Mischa Zverev | 6 | 2 | 6 | |||||||||
| 5 | Alexander Kudryavtsev | 1 | 6 | 3 | |||||||||
 Michał Przysiężny | 3 | 3 | |||||||||||
| 5 | Alexander Kudryavtsev | 6 | 6 | ||||||||||
| First round | Qualifying competition | ||||||||||||
| 4 | Daniil Medvedev | 6 | 61 | 7 | |||||||||
| Alexey Vatutin | 3 | 77 | 5 | ||||||||||
| 4 | Daniil Medvedev | 6 | 6 | ||||||||||
 Ante Pavić | 4 | 2 | |||||||||||
| Ante Pavić | 77 | 6 | |||||||||||
| 6 | James Ward | 63 | 2 | ||||||||||
Ernests Gulbis was the defending champion, but lost to Jérémy Chardy in the second round.
Defending champion Novak Djokovic successfully defended his title, defeating Roger Federer in a rematch of the previous year's final, 6–3, 6–7(5–7), 6–2, to win the men's singles title at the 2015 Indian Wells Masters.
Ernests Gulbis won the last edition of the tournament held in 2013, but lost in the first round to Marcos Baghdatis.
Milos Raonic won the title, defeating João Sousa in the final, 6–3, 3–6, 6–3.
Two-time defending champion Novak Djokovic successfully defended his title, defeating Milos Raonic in the final, 6–2, 6–0, to win the men's singles title at the 2016 Indian Wells Masters. It was his record-equaling fifth Indian Wells title.
The 2016 St. Petersburg Open was a tennis tournament played on indoor hard courts. It was the 21st edition of the St. Petersburg Open, and part of the ATP World Tour 250 Series of the 2016 ATP World Tour. It took place at the Sibur Arena in Saint Petersburg, Russia, from September 19 through 25, 2016.
Novak Djokovic was the defending champion, but lost in the semifinals to Roberto Bautista Agut.
Roger Federer defeated Stan Wawrinka in the final, 6–4, 7–5 to win the men's singles title at the 2017 Indian Wells Masters. It was his record-equaling fifth Indian Wells title, 25th ATP Tour Masters 1000 singles title, and 90th singles title overall.
Roger Federer defeated Rafael Nadal in the final, 6–3, 6–4 to win the men's singles tennis title at the 2017 Miami Open. It was Federer's third Miami Open title, 26th Masters 1000 singles title and 91st singles title overall. He saved two match points in the quarterfinals against Tomáš Berdych. This marked the third time Federer won the Sunshine Double, previously accomplishing the feat in 2005 and 2006. It was Nadal's fifth runner-up finish without winning the title.
Jo-Wilfried Tsonga was the defending champion, but withdrew before the tournament began with a left hamstring injury.
Roger Federer was the defending champion, but chose not to participate this year.
Dominic Thiem defeated Roger Federer in the final, 3–6, 6–3, 7–5, to win the men's singles title at the 2019 Indian Wells Masters. It was his first ATP Tour Masters 1000 title. Thiem became the first Austrian to win a Masters 1000-level title since Thomas Muster won the 1997 Miami Open.
Roger Federer defeated the defending champion John Isner in the final, 6–1, 6–4 to win the men's singles tennis title at the 2019 Miami Open. It was Federer's fourth Miami Open title, his 28th Masters singles title, and his 101st career singles title overall.
Marin Čilić was the defending champion, but lost in the second round to Diego Schwartzman.
Alexander Zverev was the two-time defending champion but chose not to defend his title.
Defending champion Rafael Nadal successfully defended his title, defeating Daniil Medvedev in the final, 6–3, 6–0, to win the men's singles title at the 2019 Canadian Open. This was the first time Nadal defended a hardcourt title.
Novak Djokovic defeated Milos Raonic in the final, 1–6, 6–3, 6–4, to win the men's singles title at the 2020 Cincinnati Masters. With the win, he claimed his record-equaling 35th ATP Masters 1000 title, and completed the career Golden Masters for a second time. Djokovic became the first new singles titlist on the ATP Tour since its suspension due to the COVID-19 pandemic in March 2020.
The tournament was played on a hard surface. Due to the ongoing COVID-19 pandemic and many ATP tournaments having been cancelled, this year's event was upgraded to ATP 500 level.
Daniil Medvedev defeated Alexander Zverev in the final, 5–7, 6–4, 6–1, to win the singles title at the 2020 Paris Masters.
Hubert Hurkacz defeated Jannik Sinner in the final, 7–6(7–4), 6–4 to win the 2021 Miami Open men's singles tennis title. Hurkacz claimed his first Masters 1000 singles championship and became the first Polish man to win a Masters 1000 singles event.
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.