After beating top-seeded Rafael Nadal in the quarterfinals and fourth-ranked Dominic Thiem in the semifinals, Zverev rallied to defeat Matteo Berrettini 6-7 (8), 6-4, 6-3 for his second title this season.
Thiem returned to action at the Madrid Open after taking a break to recharge ahead of the French Open later this month.
Sabalenka defeated top-ranked Ash Barty 6-0, 3-6, 6-4 for her 10th WTA title — and first on clay.
The World No. 6 earned 11 break points and broke serve on three occasions to snap a four-match losing streak against Thiem.
Earlier in the tournament, on Wednesday, the unseeded Bopanna and Shapovalov had taken down top seeds Juan Sebastian Cabal and Robert Farah in straight sets.
Zverev defeated Nadal 6-4, 6-4 in the quarterfinals, picking up his third consecutive win over the 20-time grand slam champion — but first on clay.
Thiem was able to break the tall American on his first chance in the second set and then once more in the third, defeating Isner 3-6, 6-3, 6-4.
Nadal struggled at times against the aggressive style of the 76th-ranked Popyrin but was able to stay in control for most of the match on the Magic Box center court.
Bopanna and Shapovalov will take on German duo of Alexander Zverev and Tim Puetz in the quarter-finals.
Nadal, seeking his sixth title in Madrid and looking to regain top form ahead of the French Open, was never threatened by Alcaraz, who turned 18 on Wednesday.
The fourth-ranked Austrian was coming off early round losses in Doha and Dubai and felt like he needed a break.
The rising Czech captured her third win over a top-5 player this season, and her 10th top-5 win in her career overall, with her one-hour and 49-minute victory over reigning Australian Open champion Osaka.
The Spaniard was scheduled to face Sloane Stephens in the first round.
The joint men's and women's tournament was originally scheduled in May, but moved when Spain became a hotbed for the virus.
The organisers said they are “analyzing and closely evaluating all the possible options, while always focusing on guaranteeing the safety of all those involved in the tournament.”
Bertens defeated Angelique Kerber, Donna Vekic and Eugenie Bouchard by identical 3-0 scores in round-robin play, before beating Belinda Bencic in the quarterfinals 6-4, and Caroline Wozniacki in the semifinals 7-5.
That bit of silliness from Day 1 at the controller-instead-of-racket Madrid Open came 24 hours after another pro, Gael Monfils, really did withdraw because of ties to a streaming service not involved in this virtual venture.
David Goffin, John Isner, Karen Khachanov, Eugenie Bouchard, Kristina Mladenovic and Kiki Bertens will also participate from their homes in the April 27-30 online competition that is expected to be broadcast live on TV and social media channels.
Top News
Latest News
