Raonic began 2012 with titles in two of his first three tournaments, starting with his second ATP title at the Chennai Open in India.
He had back-to-back wins over top 10 players at a tournament for the first time, beating Nicolás Almagro in the semifinals and Janko Tipsarević in the final.
Raonic held serve during the entire tournament, becoming the first player to do so since Federer at the 2008 Halle Open.
He lost in the third round of the Australian Open to Lleyton Hewitt.
In February, Raonic defended his title at the Pacific Coast Championships, defeating Denis Istomin in the final for his third ATP title.
The following week in Memphis, Raonic reached the final of the U.S. National Indoor Tennis Championships for the second straight year, but lost to Melzer.

In the spring, Raonic played his first three matches against No.
3 Federer on three different surfaces: hard court in the third round of the Indian Wells Masters; clay in the second round at the Madrid Open; and grass in the quarterfinals at the Halle Open.
On each occasion, Raonic won the first set before losing the next two.
After the Halle Open match, Federer remarked: "I am happy to have beaten him now because by the end of my career, he’ll be serving at 300 km/h."
He defeated No.
4 Murray in straight sets in the quarterfinals at the Barcelona Open.
This marked his first victory over a member of the Big Four.
In the semifinal, he lost to No.
6 Ferrer.
Raonic lost to Juan Mónaco in the third round of the French Open, and followed this with a second round loss to Querrey at Wimbledon.

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.
His loss to Wawrinka followed his victory over No.
7 Tomáš Berdych, his fourth top 10 victory of the year.
On August 13, his world ranking was No.
19, marking his first time in the top 20.
At the US Open, Raonic lost in the fourth round to eventual champion Murray.
Raonic was the first Canadian male to reach the fourth round of the US Open since Laurendeau in 1988.
In October at the Japan Open, Raonic reached his third ATP 500 final, defeating Radek Štěpánek, Viktor Troicki, Tipsarević, and Murray, before dropping the final to Japan's Kei Nishikori in three sets.
His victories over Tipsarević and Murray marked the third time he won back-to-back matches against top 10 players.

In 2012, Raonic led the ATP in points won on 1st serve (82%) and in service games won (93%).
He finished the year at a career high singles ranking of No.
13.
His six victories over top 10 players in 2012, including two over Murray, marks a career-high.
Raonic began 2012 with titles in two of his first three tournaments, starting with his second ATP title at the Chennai Open in India. He had back-to-back wins over top 10 players at a tournament for the first time, beating Nicolás Almagro in the semifinals and Janko Tipsarević in the final. Raonic held serve during the entire tournament, becoming the first player to do so since Federer at the 2008 Halle Open. He lost in the third round of the Australian Open to Lleyton Hewitt. In February, Raonic defended his title at the Pacific Coast Championships, defeating Denis Istomin in the final for his third ATP title. The following week in Memphis, Raonic reached the final of the U.S. National Indoor Tennis Championships for the second straight year, but lost to Melzer.
In the spring, Raonic played his first three matches against No. 3 Federer on three different surfaces: hard court in the third round of the Indian Wells Masters; clay in the second round at the Madrid Open; and grass in the quarterfinals at the Halle Open. On each occasion, Raonic won the first set before losing the next two. After the Halle Open match, Federer remarked: "I am happy to have beaten him now because by the end of my career, he’ll be serving at 300 km/h." He defeated No. 4 Murray in straight sets in the quarterfinals at the Barcelona Open. This marked his first victory over a member of the Big Four. In the semifinal, he lost to No. 6 Ferrer. Raonic lost to Juan Mónaco in the third round of the French Open, and followed this with a second round loss to Querrey at Wimbledon.
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. His loss to Wawrinka followed his victory over No. 7 Tomáš Berdych, his fourth top 10 victory of the year. On August 13, his world ranking was No. 19, marking his first time in the top 20. At the US Open, Raonic lost in the fourth round to eventual champion Murray. Raonic was the first Canadian male to reach the fourth round of the US Open since Laurendeau in 1988. In October at the Japan Open, Raonic reached his third ATP 500 final, defeating Radek Štěpánek, Viktor Troicki, Tipsarević, and Murray, before dropping the final to Japan's Kei Nishikori in three sets. His victories over Tipsarević and Murray marked the third time he won back-to-back matches against top 10 players.
In 2012, Raonic led the ATP in points won on 1st serve (82%) and in service games won (93%). He finished the year at a career high singles ranking of No. 13. His six victories over top 10 players in 2012, including two over Murray, marks a career-high.
Milos Raonic