Rafael Nadal was the defending champion, but was forced to withdraw due to a knee injury.
David Ferrer was the defending champion, but lost in the quarterfinals to Juan Martín del Potro.
Juan Martín del Potro defeated the five-time defending champion Roger Federer in the final, 3–6, 7–6(7–5), 4–6, 7–6(7–4), 6–2 to win the men's singles tennis title at the 2009 US Open. He became the first Argentine man to win the title since Guillermo Vilas in 1977. This was del Potro's first major title, although he would reach a second final in 2018. This was also the first US Open final since 1999 to go to 5 sets.
Roger Federer defeated Andy Murray in the final, 6–3, 6–4, 7–6(13–11) to win the men's singles tennis title at the 2010 Australian Open. It was his fourth Australian Open title and 16th major title overall.
Juan Martín del Potro was the defending champion, and won for the second straight year in the final 3–6, 7–5, 7–6(8–6), over Andy Roddick.
Ivan Ljubičić defeated Andy Roddick in the final 7–6(7–3), 7–6(7–5), to win the men's singles title at the 2010 Indian Wells Masters. It was his first ATP Masters 1000 title, making him the oldest first-time champion of a Masters title. Until the 2014 Australian Open, this was the last occasion where a player other than the Big Four won a title when the Big Four were all competing.
Andy Murray was the defending champion, but lost to Mardy Fish in the second round.
Novak Djokovic defeated Rafael Nadal in the final 4–6, 6–3, 6–2, to win the men's singles title at the 2011 Indian Wells Masters.
Juan Martín del Potro was the defending champion, but chose to compete in Dubai instead.
Kevin Anderson won the title after defeating Marinko Matosevic 6–4, 7–6(7–2) in the final.
The 2012 Sony Ericsson Open was a tennis tournament played at Key Biscayne, Miami, Florida from March 19 to April 1, 2012. It was the 28th edition of the Sony Ericsson Open and was played on hard courts at the Tennis Center at Crandon Park. The event was part of the 2012 ATP World Tour and 2012 WTA Tour. Novak Djokovic was the defending champion, and successfully defended his title by defeating Andy Murray 6–1, 7–6(7–4) in the final. It was Djokovic's third Sony Ericsson Open title.
Rafael Nadal defeated the defending champion Novak Djokovic in the final, 7–5, 6–3, to win the men's singles title at the 2012 Italian Open. It was his record-extending sixth Italian Open title.
Roger Federer defeated Novak Djokovic in the final, 6–0, 7–6 (9–7), to win the men's singles title at the 2012 Cincinnati Masters. It was his record fifth title at the Cincinnati Masters, and the first occasion that a player won an ATP Masters 1000 event without having serve broken or losing a set. Federer would repeat this accomplishment at the 2015 event. It was Djokovic's fourth runner-up finish at the Cincinnati Masters.
Andy Murray defeated the defending champion Novak Djokovic in the final, 7–6(12–10), 7–5, 2–6, 3–6, 6–2 to win the men's singles tennis title at the 2012 US Open. It was his first major title, and he became the first British man since Fred Perry in 1936 to win a major, having been runner-up on four previous occasions. The final lasted 4 hours and 54 minutes, a record-equaling US Open final duration in the Open Era.
David Ferrer successfully defended his title by defeating Philipp Kohlschreiber in the final, 7–6(7–5), 6–1.
Rafael Nadal defeated Juan Martín del Potro in the final, 4–6, 6–3, 6–4 to win the men's singles title at the 2013 Indian Wells Masters. It was Nadal's third singles title at Indian Wells, his record 22nd ATP Masters 1000 title, and his 53rd title overall.
Novak Djokovic was the defending champion, but lost in the fourth round to Tommy Haas. This championship was the first since the tournament's inception that no American was featured in the quarterfinals, with the last player from the US, Sam Querrey, beaten in the fourth round by Tomas Berdych. This meant that it was also the first all-European final eight at the Miami Masters.
Sam Querrey was the defending champion, but lost in the quarterfinals to Juan Martín del Potro.
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 his third title at the Miami Open. It was Federer's 26th Masters 1000 singles title and 91st singles title overall. It was Nadal's fifth runner-up finish without winning the title. Federer saved two match points in the quarterfinals against Tomáš Berdych. This marks the third time Federer won the Indian Wells and Miami titles back-to-back. It was also the fourth consecutive season in which the same player won both the Indian Wells and Miami titles.
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 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.
Juan Martín del Potro 
Sam Querrey 
