He will now play Jason Kubler in the second round after the Australian wildcard progressed when Aslan Karatsev was forced to withdraw injured with the scores locked at one set apiece.
With a big serve and equally big groundstrokes, she unsettled Swiatek and held her cool, even under pressure in the last game to serve it out, for a 3-6, 6-3, 6-4 victory that means there's no top 10 players in the top half of the draw.
The 27-yaer-old beat Tunisia's Ons Jabeur in the last eight in Paris to become the first Brazilian woman in 55 years to reach a Grand Slam semi-final. She was eventually beaten by eventual champion Swiatek.
Miyazaki studied for a full maths degree at university in Oklahoma, and then took a Masters in Information Technology Management. She also knows how to tickle the ivories, as her mother Akiko is a professional pianist.
"I was going to stop right after the WTA Finals because we were going to make the WTA Finals, but I tore my tendon in my elbow right before US Open, so I had to pull out of everything," Mirza told the WTA Tour's website in an interview.
Australian Open champion Sabalenka saw off her 12th-ranked Czech rival 6-2, 6-3 in just 75 minutes to become the first player into the quarter-finals.
Former two-time singles Grand Slam finalist Vera Zvonareva will join multiple doubles champion Kristina Mladenovic and Germany’s Sabine Lisicki as the three wild cards when the 26th Al Habtoor Tennis Challenge gets under way this week.
The seventh-ranked Rune was coming off a win over six-time Rome champion Djokovic in the quarterfinals - his second victory against him in little more than six months.
Marketa Vondrousova became the first unseeded woman to win Wimbledon in the Open era as the Czech swept to a shock 6-4, 6-4 victory over Tunisia's Ons Jabeur in Saturday's final.
"Thinking I won Wimbledon is tough to believe. I can't believe that I won and beat Novak (Djokovic), probably it will take some days to believe," Alcaraz told journalists. On July 16, Alcaraz beat Djokovic in five sets to win the second Grand Slam title of his career.