Jo-Wilfried Tsonga defeated Roger Federer in the final, 7–5, 7–6(7–3), to win the men's singles title at the 2014 Canadian Open. Tsonga became the first man to defeat Novak Djokovic, Andy Murray, and Federer in the same tournament since Rafael Nadal at the 2008 Hamburg Masters.
Novak Djokovic was the defending champion, but lost in the semifinals to Roberto Bautista Agut.
Stan Wawrinka was the defending champion, but lost in the first round to Damir Džumhur.
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.
Alexander Zverev defeated Roger Federer in the final, 6–3, 6–4, to win the men's singles title at the 2017 Canadian Open. Zverev saved 3 match points in his second-round match against Richard Gasquet.
Grigor Dimitrov was the defending champion, but withdrew before the tournament because of a shoulder injury.
The 2019 ABN AMRO World Tennis Tournament was a men's tennis tournament played on indoor hard courts. It took place at the Rotterdam Ahoy arena in the Dutch city of Rotterdam, between 11 and 17 February 2019. It was the 46th edition of the Rotterdam Open, and part of the ATP Tour 500 series of the 2019 ATP Tour. The tournament also included a Men's Wheelchair Tennis Singles and Doubles draw. The wheelchair tennis event was an ITF-1 level tournament, with a total of $32,000 prize money.
Roger Federer was the defending champion, but chose not to participate this year.
Benoît Paire defeated defending champion Pablo Andújar in the final, 6–2, 6–3, to win the singles tennis title at the 2019 Grand Prix Hassan II. The win earned Paire his second career Association of Tennis Professionals (ATP) singles title, his first in four years. Andújar saw his 13-match winning streak snapped in the loss after he had won two consecutive ATP Challenger Tour titles in Marbella and Alicante in the two weeks prior to the tournament.
Sergiy Stakhovsky was the defending champion but chose not to defend his title.
Bernard Tomic was the defending champion, but retired in the first round of the qualifying tournament against Denis Istomin.
The 2019 European Open was a men's tennis tournament played on indoor hard courts. It was the fourth edition of the European Open and part of the ATP Tour 250 series of the 2019 ATP Tour. It took place at the Lotto Arena in Antwerp, Belgium, from October 14 to October 20.
Elias Ymer was the defending champion but chose not to defend his title.
Roger Federer was the two-time defending champion and successfully defended his title, defeating Alex de Minaur in the final, 6–2, 6–2. The victory made Federer the first player in ATP history to win 10 titles on two different surfaces.
Roberto Bautista Agut was the defending champion, but chose to compete in the ATP Cup instead.
Gaël Monfils was the defending champion and successfully defended his title, defeating Félix Auger-Aliassime in the final, 6–2, 6–4.
Gaël Monfils was the defending champion, but chose not to defend his title.
Rafael Nadal defeated the defending champion Novak Djokovic in the final, 7–5, 1–6, 6–3 to win the men's singles tennis title at the 2021 Italian Open. It was his record-extending 10th Italian Open title and record-equaling 36th Masters 1000 title overall. Nadal saved two match points in his third round match against Denis Shapovalov en route to the title. This was also the fourth time that Nadal had won a tournament on 10 or more occasions, making him the only tennis player with the feat.
Benoît Paire was the defending champion from when the event was last held in 2019, but chose to participate in Geneva instead.
Andy Murray 
Stan Wawrinka 
