Raonic will face No. 7 seed Dominic Thiem in a semifinal on Saturday after No. 18 seed Gael Monfils of France withdrew from his quarterfinal against the Austrian, leading to a walkover on Thursday night.
Now the 19-year-old will regroup and prepare for the Miami Masters, which has given him a wild card invitation.
Kecmanovic was the first lucky loser to reach the quarter-finals at the tournament since it became a Masters 1000 event in 1990.
Bencic, who won her third career title at Dubai last month and her first since 2015, next plays the victor of the match between Angelique Kerber and Venus Williams. "This is the mentality I have, and this is the mentality I'm going to keep having". From the get-go, Kerber made strong in-roads into Williams' serve, especially the second serve and was just as relentless on her own serves.
A fact that stood was that not only did Kerber win 68% points off her second serve, she also 62% return points on Williams' second serve. She broke Williams in the match's longest game that went to deuce five times when Williams' forehand went wide.
Williams alternately smacked winners from the baseline and sprayed shots beyond the lines.
Williams hasn't made it farther than the quarterfinals at any Premier Mandatory or Grand Slam tourney since last year's BNP Paribas Open.
Despite Williams' tenacity to force a tie-break, the German took the initiative by winning the first three points and sealing the first set in 57 minutes.
The 22-year-old Swiss was coming off a straight-set upset of defending champion and top-ranked Naomi Osaka in the fourth round and improved to an impressive 18-3 this year, including 12 wins on the spin.
"Physically, it was tough somehow, and the wind didn't help much", Pliskova said. "I'm definitely playing how I feel it, and it's going well so I'm not planning on changing that".