| Singles | |
|---|---|
| 2016 Fairfield Challenger | |
| Champion |  Santiago Giraldo |
| Runner-up |  Quentin Halys |
| Final score | 4–6, 6–4, 6–2 |
Taylor Fritz was the defending champion but chose not to defend his title.
Santiago Giraldo won the title after defeating Quentin Halys 4–6, 6–4, 6–2 in the final.
Frances Tiafoe (second round) Santiago Giraldo (champion) Tim Smyczek (second round)
Darian King (first round)
Alessandro Giannessi (quarterfinals) Dennis Novikov (first round)
Grega Žemlja (quarterfinals)
Maximilian Marterer (quarterfinals, retired)| Semifinals | Final | ||||||||||||
| Quentin Halys | 6 | 6 | |||||||||||
| Q |  Brydan Klein | 2 | 4 | ||||||||||
| Quentin Halys | 6 | 4 | 2 | ||||||||||
| 2 | Santiago Giraldo | 4 | 6 | 6 | |||||||||
 Joris De Loore | 3 | 4 | |||||||||||
| 2 | Santiago Giraldo | 6 | 6 | ||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1 | F Tiafoe | 78 | 6 | ||||||||||||||||||||||||
| B Rola | 66 | 3 | 1 | F Tiafoe | 2 | 6 | 5 | ||||||||||||||||||||
| D Nguyen | 7 | 4 | 2 | Q Halys | 6 | 4 | 7 | ||||||||||||||||||||
| Q Halys | 5 | 6 | 6 | Q Halys | 6 | 0 | |||||||||||||||||||||
| WC | R Opelka | 6 | 6 | 8 | M Marterer | 0 | 0r | ||||||||||||||||||||
| Q |  H Podlipnik | 3 | 1 | WC | R Opelka | 6 | 64 | 5 | |||||||||||||||||||
| L Broady | 5 | 4 | 8 | M Marterer | 3 | 77 | 7 | ||||||||||||||||||||
| 8 | M Marterer | 7 | 6 | Q Halys | 6 | 6 | |||||||||||||||||||||
| 4 | D King | 7 | 5 | 64 | Q | B Klein | 2 | 4 | |||||||||||||||||||
| R Bemelmans | 5 | 7 | 77 | R Bemelmans | 3 | 7 | 64 | ||||||||||||||||||||
| Q | B Klein | 4 | 7 | 7 | Q | B Klein | 6 | 5 | 77 | ||||||||||||||||||
| T Sandgren | 6 | 5 | 5 | Q | B Klein | 77 | 3 | 6 | |||||||||||||||||||
| WC | T Fawcett | 4 | 1 | T Paul | 65 | 6 | 1 | ||||||||||||||||||||
| Q | C Norrie | 6 | 6 | Q | C Norrie | 6 | 3 | 4 | |||||||||||||||||||
| T Paul | 6 | 6 | T Paul | 1 | 6 | 6 | |||||||||||||||||||||
| 6 | D Novikov | 4 | 4 | ||||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 5 | A Giannessi | 62 | 78 | 6 | |||||||||||||||||||||||
 J McGee | 77 | 66 | 3 | 5 | A Giannessi | 6 | 6 | ||||||||||||||||||||
| L Sonego | 6 | 6 | L Sonego | 2 | 4 | ||||||||||||||||||||||
 F Dancevic | 3 | 0 | 5 | A Giannessi | 4 | 1 | |||||||||||||||||||||
| WC | K Smith | 62 | 3 | J De Loore | 6 | 6 | |||||||||||||||||||||
| J De Loore | 77 | 6 | J De Loore | 6 | 77 | ||||||||||||||||||||||
| D Shapovalov | 2 | 4 | 3 | T Smyczek | 4 | 65 | |||||||||||||||||||||
| 3 | T Smyczek | 6 | 6 | J De Loore | 3 | 4 | |||||||||||||||||||||
| 7 | G Žemlja | 77 | 77 | 2 | S Giraldo | 6 | 6 | ||||||||||||||||||||
| N Rubin | 62 | 64 | 7 | G Žemlja | 6 | 6 | |||||||||||||||||||||
| Q | Dennis Nevolo | 6 | 77 | Q | D Nevolo | 2 | 3 | ||||||||||||||||||||
| S Bangoura | 4 | 65 | 7 | G Žemlja | 1 | 4 | |||||||||||||||||||||
| SE | M McDonald | 3 | 4 | 2 | S Giraldo | 6 | 6 | ||||||||||||||||||||
| WC | B Baker | 6 | 6 | WC | B Baker | 4 | 7 | 4 | |||||||||||||||||||
| SE | M Mmoh | 3 | 5 | 2 | S Giraldo | 6 | 5 | 6 | |||||||||||||||||||
| 2 | S Giraldo | 6 | 7 | ||||||||||||||||||||||||
Defending champion Rafael Nadal successfully defended his title, defeating David Ferrer 7–5, 6–2 in the final. It was his record-extending fifth title at the Italian Open.
Rafael Nadal defeated the defending champion Roger Federer in the final, 6–4, 7–6(7–5), to win the title at the 2010 Madrid Open.
Defending champion Roger Federer successfully defended his title, defeating Mardy Fish in the final 6–7(5–7), 7–6(7–1), 6–4, to win the men's singles title at the 2010 Cincinnati Masters. It was his fourth win at the event, his record-equaling 17th ATP Masters 1000 title overall, tying Andre Agassi's tally, and his 63rd career title overall, tying Björn Borg's tally.
Giovanni Lapentti tried to defend his 2008 title, but he was eliminated by Santiago Giraldo in the quarterfinals.
Carlos Salamanca became the new champion, after beating Sebastián Decoud 7–6(4), 6–7(5), 6–4 in the final.
Donald Young chose to not defend his 2008 title.
Santiago Giraldo won this tournament. He won against Jesse Levine 7–6(4), 6–1 in the final.
Robin Söderling defeated Gaël Monfils in the final, 6–1, 7–6(7–1), to win the singles title at the 2010 Paris Masters.
Thomaz Bellucci was the defending champion, but lost to Fabio Fognini in the quarterfinals.
Tommy Robredo won the title, defeating Santiago Giraldo 6–2, 2–6, 7–6(7–5), in the final.
Roger Federer defeated Tomáš Berdych in the final, 3–6, 7–5, 7–5 to win the men's singles title at the 2012 Madrid Open. With this win, Federer won his record-tying 20th ATP Masters 1000 title and third title at Madrid.
Defending champion Rafael Nadal successfully defended his title, defeating Roger Federer in the final, 6–1, 6–3, to win the men's singles title at the 2013 Italian Open. It was his record-extending seventh Italian Open title.
Rafael Nadal won the title, defeating Stanislas Wawrinka in the final, 6–2, 6–4.
Richard Gasquet was the defending champion, but lost to Milos Raonic in the semifinals.
Raonic went on to win the title, defeating Tomáš Berdych in the final, 7–6(7–4), 6–3.
Defending champion Novak Djokovic successfully defended his title, defeating Rafael Nadal in the final, 6–3, 6–4.
Novak Djokovic was the defending champion and successfully defended his title by defeating Juan Martín del Potro in the final, 6–1, 3–6, 7–6(7–3).
Novak Djokovic defeated the two-time defending champion Rafael Nadal in the final, 6–4, 3–6, 3–6, to win the men's singles title at the 2014 Italian Open.
Fabio Fognini was the defending champion, but lost in the semifinals to Roberto Bautista Agut.
Bautista Agut went on to win the title, defeating Lukáš Rosol in the final, 6–3, 4–6, 6–2.
Defending champion Kei Nishikori successfully defended his title, defeating Pablo Andújar in the final, 6–4, 6–4, to win the singles title at the 2015 Barcelona Open.
Jiří Veselý was the defending champion and successfully defended his title, defeating Laslo Djere in the final, 6–4, 6–2.
Pablo Andújar was the defending champion, but lost to Thomaz Bellucci in the quarterfinals.
Rogério Dutra Silva was the defending champion but chose not to defend his title.
Defending champion Rafael Nadal successfully defended his title, defeating Dominic Thiem in the final, 6–4, 6–1. It was his record-extending tenth Barcelona Open title.