| Singles | |
|---|---|
| 2016 Estoril Open | |
| Champion |  Nicolás Almagro |
| Runner-up | Pablo Carreño Busta |
| Score | 6–7(6–8), 7–6(7–5), 6–3 |
| Draw | 28 |
| Seeds | 8 |
Richard Gasquet was the defending champion, but chose not to participate this year.
Nicolás Almagro won the title, defeating Pablo Carreño Busta in the final, 6–7(6–8), 7–6(7–5), 6–3.
The top four seeds receive a bye into the second round.
Gilles Simon (quarterfinals)
Nick Kyrgios (semifinals) Benoît Paire (semifinals)
João Sousa (second round) Guillermo García López (quarterfinals)
Borna Ćorić (quarterfinals)
Leonardo Mayer (quarterfinals) Pablo Carreño Busta (final)| Semifinals | Final | ||||||||||||
| 8 | Pablo Carreño Busta | 6 | 6 | ||||||||||
| 3 | Benoît Paire | 3 | 3 | ||||||||||
| 8 | Pablo Carreño Busta | 78 | 65 | 3 | |||||||||
| Nicolás Almagro | 66 | 77 | 6 | ||||||||||
| Nicolás Almagro | 6 | 7 | |||||||||||
| 2 | Nick Kyrgios | 3 | 5 | ||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1 | G Simon | 3 | 6 | 6 | |||||||||||||||||||||||
| G Elias | 3 | 4 | P-H Mathieu | 6 | 2 | 1 | |||||||||||||||||||||
| P-H Mathieu | 6 | 6 | 1 | G Simon | 3 | 4 | |||||||||||||||||||||
 T Daniel | 7 | 6 | 8 | P Carreño Busta | 6 | 6 | |||||||||||||||||||||
| Q |  S Diez | 5 | 1 | T Daniel | 4 | 5 | |||||||||||||||||||||
| WC | F Verdasco | 1 | 3 | 8 | P Carreño Busta | 6 | 7 | ||||||||||||||||||||
| 8 | P Carreño Busta | 6 | 6 | 8 | P Carreño Busta | 6 | 6 | ||||||||||||||||||||
| 3 | B Paire | 3 | 3 | ||||||||||||||||||||||||
| 3 | B Paire | 64 | 6 | 6 | |||||||||||||||||||||||
 K Edmund | 6 | 7 | K Edmund | 77 | 3 | 3 | |||||||||||||||||||||
| D Gimeno Traver | 3 | 5 | 3 | B Paire | 77 | 6 | |||||||||||||||||||||
 T Fabbiano | 2 | 2 | 5 | G García López | 62 | 2 | |||||||||||||||||||||
| Q | S Robert | 6 | 6 | Q | S Robert | 3 | 63 | ||||||||||||||||||||
 M Berrer | 3 | 63 | 5 | G García López | 6 | 77 | |||||||||||||||||||||
| 5 | G García López | 6 | 77 | ||||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 7 | L Mayer | 6 | 6 | ||||||||||||||||||||||||
| WC | P Sousa | 1 | 4 | 7 | L Mayer | 77 | 6 | ||||||||||||||||||||
| P Lorenzi | 77 | 6 | P Lorenzi | 65 | 4 | ||||||||||||||||||||||
| Q |  E Ymer | 64 | 3 | 7 | L Mayer | 4 | 65 | ||||||||||||||||||||
| WC | FF Silva | 3 | 2 | N Almagro | 6 | 77 | |||||||||||||||||||||
| N Almagro | 6 | 6 | N Almagro | 4 | 6 | 6 | |||||||||||||||||||||
| 4 | J Sousa | 6 | 1 | 2 | |||||||||||||||||||||||
| N Almagro | 6 | 7 | |||||||||||||||||||||||||
| 6 | B Ćorić | 6 | 6 | 2 | N Kyrgios | 3 | 5 | ||||||||||||||||||||
| Q | A Arnaboldi | 4 | 1 | 6 | B Ćorić | 6 | 4 | 6 | |||||||||||||||||||
| B Becker | 4 | 1 |  R Dutra Silva | 3 | 6 | 1 | |||||||||||||||||||||
| R Dutra Silva | 6 | 6 | 6 | B Ćorić | 4 | 4 | |||||||||||||||||||||
| D Muñoz de la Nava | 4 | 1 | 2 | N Kyrgios | 6 | 6 | |||||||||||||||||||||
| Í Cervantes | 6 | 6 | Í Cervantes | 64 | 5 | ||||||||||||||||||||||
| 2 | N Kyrgios | 77 | 7 | ||||||||||||||||||||||||
Albert Montañés (first round) Stéphane Robert (qualified) Elias Ymer (qualified) Luca Vanni (first round) Kenny de Schepper (first round) Franko Škugor (qualifying competition) Andrea Arnaboldi (qualified) Marco Trungelliti (qualifying competition)| First round | Qualifying competition | ||||||||||||
| 1 | Albert Montañés | 3 | 6 | 4 | |||||||||
| Salvatore Caruso | 6 | 4 | 6 | ||||||||||
| Salvatore Caruso | 6 | 66 | 3 | ||||||||||
| 7 | Andrea Arnaboldi | 4 | 78 | 6 | |||||||||
| Gerard Granollers | 77 | 3 | 1 | ||||||||||
| 7 | Andrea Arnaboldi | 62 | 6 | 6 | |||||||||
| First round | Qualifying competition | ||||||||||||
| 2 | Stéphane Robert | 7 | 77 | ||||||||||
| Alexandre Sidorenko | 5 | 64 | |||||||||||
| 2 | Stéphane Robert | 3 | 6 | 6 | |||||||||
 Farrukh Dustov | 6 | 4 | 1 | ||||||||||
| Farrukh Dustov | 6 | 1 | 7 | ||||||||||
| 5 | Kenny de Schepper | 3 | 6 | 5 | |||||||||
| First round | Qualifying competition | ||||||||||||
| 3 | Elias Ymer | 6 | 5 | 6 | |||||||||
| WC | Rui Machado | 1 | 7 | 1 | |||||||||
| 3 | Elias Ymer | 4 | 6 | 6 | |||||||||
| 6 | Franko Škugor | 6 | 1 | 4 | |||||||||
| WC | João Domingues | 1 | 6 | 66 | |||||||||
| 6 | Franko Škugor | 6 | 2 | 78 | |||||||||
| First round | Qualifying competition | ||||||||||||
| 4 | Luca Vanni | 1 | 2 | ||||||||||
| Steven Diez | 6 | 6 | |||||||||||
| Steven Diez | 6 | 6 | |||||||||||
| 8 | Marco Trungelliti | 3 | 2 | ||||||||||
| Édouard Roger-Vasselin | 6 | 5 | 0r | ||||||||||
| 8 | Marco Trungelliti | 4 | 7 | 0 | |||||||||
Robin Haase was the defending champion, but decided not to participate.
Pablo Carreño Busta won the title, defeating Andreas Beck 6–4, 7–6(7–4) in the final.
Pablo Andújar was the two-time defending champion but lost in the first round to fellow countryman Pablo Carreño Busta.
Tommy Robredo won the title, defeating Kevin Anderson in the final, 7–6(8–6), 4–6, 6–3.
Stan Wawrinka defeated Roger Federer in the final, 4–6, 7–6(7–5), 6–2 to win the singles tennis title at the 2014 Monte-Carlo Masters. It was his first Masters 1000 title. It was Federer's fourth runner-up finish at the Monte-Carlo Masters, his career-best finish at the event.
Novak Djokovic defeated the two-time defending champion Rafael Nadal in the final, 4–6, 6–3, 6–3 to win the men's singles tennis title at the 2014 Italian Open.
Defending champion Novak Djokovic defeated Roger Federer in the final, 6–4, 6–3 to win the men's singles tennis title at the 2015 Italian Open. It was Djokovic's fourth Italian Open title, the second-most of all-time behind Rafael Nadal. This is notable for being the only clay court final contested between Djokovic and Federer. It was Federer's fourth runner-up finish at the Italian Open, and his career-best finish at the event.
Pablo Andújar was the defending champion, but lost to Thomaz Bellucci in the quarterfinals.
Martin Kližan was the defending champion, but withdrew before the tournament began.
Denis Istomin was the defending champion, but lost in the first round to Damir Džumhur.
Juan Sebastián Cabal and Robert Farah were the defending champions, but lost in the final to Pablo Carreño Busta and Pablo Cuevas, 4–6, 7–5, [8–10].
Roger Federer defeated Stan Wawrinka in the final, 6–4, 7–5 to win the men's singles tennis 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. He did not lose a single set in the entire tournament.
Nicolás Almagro was the defending champion, but lost in the quarterfinals to Pablo Carreño Busta.
Albert Ramos Viñolas was the defending champion, but lost in the quarterfinals to Fernando Verdasco.
Dominic Thiem was the defending champion, but lost in the quarterfinals to Fernando Verdasco.
Pablo Carreño Busta was the defending champion, but lost in the semifinals to Frances Tiafoe.
Rafael Nadal defeated Stefanos Tsitsipas in the final, 6–2, 7–6(7–4) to win the men's singles tennis title at the 2018 Rogers Cup. It was his fourth Canadian Open title.
Dominic Thiem defeated Roger Federer in the final, 3–6, 6–3, 7–5 to win the men's singles tennis title at the 2019 Indian Wells Masters. It was his maiden ATP Tour Masters 1000 title, and he became the first Austrian to win a Masters title since Thomas Muster won the 1997 Miami Open.
João Sousa was the defending champion, but lost in the second round to David Goffin.
Jo-Wilfried Tsonga was the reigning champion from when the tournament was last held in 2019, but chose not to participate this year.
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 en route to the title, in the semifinals 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.
Kwon Soon-woo defeated Roberto Bautista Agut in the final, 6–4, 3–6, 7–6(7–4) to win the men's singles tennis title at the 2023 Adelaide International 2. It was his second ATP Tour singles title, and he became just the tenth man in ATP Tour history to win a title as a lucky loser.