Milos Raonic (Serbian: Милош Раонић, Miloš Raonić, pronounced [mǐloʃ râonitɕ];[4] born December 27, 1990) is a Canadian professional tennis player.

[27] Raonic and his parents agreed that he would take correspondence courses in finance from Athabasca University while starting a professional tennis career, setting a deadline of two years for reaching the top 100.

[52] University of Virginia men's tennis coach Brian Boland later commented that "I have only seen two guys turn down scholarships and then succeed quickly on the Tour: Sam Querrey and Milos Raonic.

[54] At the ATP World Tour level, Raonic gained entry into few tournaments, compiling a main draw record of three wins and five losses over nearly two and half years.

1,[51] and his first singles match against a member of the Big Four—a quartet of dominant tennis players including Nadal, Djokovic, Roger Federer, and Andy Murray.

[51] During his second round singles match at Wimbledon against Gilles Müller, Raonic retired with an early lead after injuring his right hip when he slipped and fell on the grass.

[51] Raonic reached his first ATP 1000 quarterfinals at back-to-back events in August, losing to John Isner at the Canadian Open and Stan Wawrinka at the Cincinnati Masters.

[111] He notched victories against Nick Kyrgios, Jiří Veselý, Gilles Simon, and Marcel Granollers to reach the quarterfinals of a major for the first time in his career, becoming the first Canadian man to do so in the Open Era.

[123] Heading into the last ATP 1000 event of 2014, the Paris Masters, Raonic trailed Ferrer for the eighth spot, and needed a deep run to surpass him.

[147] After early losses at the China Open and Shanghai Masters, Raonic ended his ATP season by withdrawing from three consecutive tournaments, citing injury.

[51] Raonic followed Indian Wells by reaching the quarterfinals at the next three ATP 1000 events in Miami, Monte Carlo, and Madrid, eventually losing to Kyrgios, Murray, and Djokovic, respectively.

Commenting on McEnroe joining Moyá and Piatti on his coaching team, Raonic said: "I was sort of just looking for another set of eyes to be a bit more efficient on grass" and he said it was about "generally improving.

[170] With the transition to hard courts after Wimbledon, Raonic made the quarterfinals of the Canadian Open, losing to Monfils,[171] before falling to Murray for the fifth time in 2016 in the Cincinnati Masters semifinal.

[177] Raonic suffered another injury, a quadriceps tear, during his quarterfinal match against Jo-Wilfried Tsonga at the Paris Masters and withdrew before his scheduled semifinal against Murray.

[191] At Indian Wells, Raonic reached his first Masters 1000 semifinal since November 2016 in Paris with wins over compatriot Félix Auger-Aliassime, João Sousa, Marcos Baghdatis by walkover and Sam Querrey, respectively in the first rounds.

[198] Raonic then participated in 2020 Australian Open, where he defeated Lorenzo Giustino, Cristian Garín, Stefanos Tsitsipas and Marin Čilić before losing to Novak Djokovic at the quarter-final stage in straight sets.

[200] Days later, he took part in Delray Beach Open and defeated Denis Istomin, Cedrik-Marcel Stebe, Steve Johnson before losing his semi-final match to Reilly Opelka.

[201] Raonic found form at the 2020 Cincinnati Masters, where he defeated Sam Querrey, Daniel Evans, and a resurgent Andy Murray, all in straight sets.

Raonic opened his 2021 campaign at the 2021 ATP Cup representing team Canada alongside countrymen Denis Shapovalov, Steven Diez and Peter Polansky.

After losing in the fourth round at the 2021 Miami Masters to eventual champion Hubert Hurkacz in three sets, he took a hiatus that lasted for three months and returned at the 2021 Atlanta Open in July.

Next he entered the 2024 Queen's Club Championships and defeated local favorite Cameron Norrie in three tight sets, hitting 47 aces, a new record for a best-of-three match (surpassing Karlovic in 2015 with 45).

Early in his career, Raonic was questioned about whether he would follow the example of Rusedski, the last prominent Canadian tennis player, who decided to represent Great Britain instead.

[229] Competing against Mexico in 2011, Raonic won three rubbers in a tie for the first time, beating both Manuel Sánchez and Daniel Garza in singles and partnering with Pospisil to win in doubles as well.

[226][230] In the 2013 Davis Cup World Group first round, Raonic won singles rubbers over Ramos Viñolas and Guillermo García López to lead Canada over top-seeded Spain.

[271][272] In January 2013, Raonic became the first tennis player to endorse New Balance clothing and shoes, in a deal reported to be worth "US$1 million annually over a five-year term.

[132] One of these was a marathon US Open five-set match that equalled the record for latest finish ever at 2:26 a.m.[121] Nishikori and Raonic are among a group of players whom tennis pundits suggest could be the successors of the Big Four.

[320] The following year, in 2012, he launched the Milos Raonic Foundation,[321][322][323] which aims to "support children from disadvantaged backgrounds in order to remove economic, physical and other barriers that might prevent them from becoming healthy, productive members of society.

Teams were led by celebrities, including Canadian Football Hall of Fame quarterback Damon Allen and tennis players Eugenie Bouchard and Daniel Nestor.

[328] In November 2013, the second "Raonic Race for Kids" featured Davis Cup captain Martin Laurendeau, musician Jim Cuddy, and broadcaster George Stroumboulopoulos.

[329] The third "Raonic Race for Kids" in November 2014 featured Tennis Canada CEO Kelly Murumets, soccer player Dwayne De Rosario, and figure-skating champions Patrick Chan, Tessa Virtue, and Scott Moir.