Luis Horna was the defending champion, but lost in the second round to Carlos Berlocq.
Three-time defending champion Rafael Nadal successfully defended his title, defeating David Ferrer in the final 6–1, 4–6, 6–1, to win the singles title at the 2008 Barcelona Open. It was his record fourth title at the Barcelona Open.
Andy Murray defeated Novak Djokovic in the final, 6–2, 7–5 to win the men's singles tennis title at the 2009 Miami Open.
Four-time defending champion Rafael Nadal successfully defended his title, defeating David Ferrer in a rematch of the previous year's final, 6–2, 7–5, to win the singles title at the 2009 Barcelona Open. It was his record-extending fifth title at the Barcelona Open.
Roger Federer defeated Rafael Nadal in the final, 6–4, 6–4 to win the men's singles tennis title at the 2009 Madrid Open.
Lleyton Hewitt was the defending champion, but he lost to Juan Ignacio Chela in the quarterfinals.
Chela won in the final 5–7, 6–4, 6–3 against Sam Querrey.
Fernando Verdasco defeated Robin Söderling in the final, 6–3, 4–6, 6–3, to win the singles tennis title at the 2010 Barcelona Open. It was his first Barcelona Open title.
Rafael Nadal defeated the defending champion Roger Federer in a rematch of the previous year's final, 6–4, 7–6(7–5) to win the men's singles tennis title at the 2010 Madrid Open.
Albert Montañés was the defending champion, but was defeated 1–6, 3–6 by Juan Ignacio Chela in the semifinals.
Chela went on to win the tournament, defeating qualifier Pablo Andújar 7–5, 6–1 in the final.
David Ferrer won the tournament winning the final against the defending champion Nicolás Almagro by 4–6, 6–3, 6–2.
Roger Federer defeated John Isner in the final, 7–6(9–7), 6–3 to win the men's singles tennis title at the 2012 Indian Wells Masters. It was his record fourth Indian Wells title.
Seven-time defending champion Rafael Nadal defeated Novak Djokovic in the final, 6–3, 6–1 to win the singles tennis title at the 2012 Monte-Carlo Masters. Nadal became the first man in the Open Era to win a tournament eight consecutive times. He did not lose a single set in the entire tournament.
Defending champion Rafael Nadal defeated David Ferrer in the final, 7–6(7–1), 7–5. It was his record-extending seventh title at the Barcelona Open, and the victory came after the longest set won by Nadal in his career.
David Ferrer defeated Jerzy Janowicz in the final, 6–4, 6–3 to win the singles tennis title at the 2012 Paris Masters. It was the first and only Masters 1000 title of his career out of seven finals, and he became the first Spaniard to win the Paris Masters.
Stanislas Wawrinka was the defending champion, but withdrew before the event started.
Carlos Berlocq won the title, defeating Tomáš Berdych in the final, 0–6, 7–5, 6–1.
Fabio Fognini was the defending champion, but lost to Filip Krajinović in the second round.
Leonardo Mayer won the title, defeating David Ferrer in the final, 6–7(3–7), 6–1, 7–6(7–4).
Federico Delbonis was the defending champion, but lost to Facundo Bagnis in the first round.
Pablo Cuevas won the title, defeating Luca Vanni in the final, 6–4, 3–6, 7–6(7–4).
Defending champion Novak Djokovic defeated 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 tennis title at the 2015 Indian Wells Masters.
Rafael Nadal defeated Gaël Monfils in the final, 7–5, 5–7, 6–0 to win the singles tennis title at the 2016 Monte-Carlo Masters. It was his record-extending ninth Monte-Carlo Masters title.
Fabio Fognini was the defending champion, but chose not to defend his title.
Marcos Baghdatis 
Richard Gasquet 
