The Czech has now won eight consecutive games at the Caja Magica and will face wildcard Sorana Cirstea or Caroline Garcia in the last 16.
Images from the US Open women's singles final at Flushing Meadows, New York, on Saturday.
Runner-up Pliskova will move into the top-10 of the world rankings for the first time in her career
Under the lights on the stadium court, Williams smashed 39 winners to defeat Azarenka 7-5, 6-3 in a rematch of the 2016 final, which the Belarusian won.
World No 3 Maria Sharapova withdrew on Monday from the end-of-season WTA Championship in Istanbul due to the shoulder injury that also kept her out of the US Open.
Images from Day 7 of the 2024 Australian Open in Melbourne on Saturday.
Images from the Australian Open matches played on Tuesday.
Venus Williams's renaissance year continued on Tuesday when she downed Petra Kvitova 6-3, 3-6, 7-6(2) in an electrifying atmosphere to set up an all-American US Open semi-final against Sloane Stephens.
The event includes several safety measures designed to mitigate the potential spread of coronavirus, including COVID-19 testing for participants and regular temperature checks
IMAGES from matches on Day 10 at the French Open at Roland Garros
Top-seeded Elina Svitolina of Ukraine, wearing her national colors of blue and yellow, won on "a special night for me," beating Russia's Anastasia Potapova 6-2, 6-1 on Tuesday in the first round of the Abierto GNP Seguros in Monterrey, Mexico.
Iga Swiatek, Aryna Sabalenka and Coco Gauff, are a handful of contenders ready to swoop in
Iga Swiatek used an outfit change to help her reset after a poor start and beat China's Zheng Qinwen.
It was a good day at office for India's mixed doubles pairs as both Leander Paes and Rohan Bopanna advanced to the second round of the event with their respective partners at the Australian Open, in Melbourne, on Sunday.
Serena Williams returns to the Arthur Ashe Stadium on Sunday
Of the top 15 on Forbes' list of best-paid female athletes, 12 were tennis players. Indian badminton player PV Sindhu came in tied for 13th ($5.5 million), with Thai golfer Ariya Jutanugarn ($5.3 million) rounding out the top 15.
Images from the US Open women's singles second round matches, at Flushing Meadows, New York, on Wednesday.
Sumit Nagal immediately set his sights on Thiem who has reached two French Open finals, losing both to Nadal.
Look who we spotted at the Flushing Meadows this year.
Flushing Meadows semi-finalist Vandeweghe will take on the winner of the contest between fifth seed Karolina Pliskova and Estonia's Anett Kontaveit in Sunday's final.
Factbox on Romanian Simona Halep, who beat Serena Williams 6-2, 6-2 to win the Wimbledon title on Saturday:
Exodus of big guns opens up bottom half of men's draw
Grand Slam champions Sofia Kenin and Sloane Stephens are set to take part in World TeamTennis
World TeamTennis, an innovative mixed-gender professional tennis league, will start from July 5 at the Greenbrier, West Virginia, and up to 500 fans will be allowed to attend matches during its three-week season, tournament organisers said on Tuesday. WTT said it would adhere to all health and safety protocols required by authorities to ensure the well-being of its players, coaches and essential staff amid the COVID-19 pandemic.
The Australian Open started with a bang and the stars weren't hard to miss, as most of them were seen wearing loud colours at Melbourne Park.
Sania Mirza of India and Ivan Dodig of Croatia bested defending champions Martina Hingis of Switzerland and Leander Paes of India 7-6 (7-1), 6-3 in the mixed doubles quarter-finals.
'It was a long time, really tough moments. Tough months'
Sania Mirza entered the women's doubles semi-finals and set up a high-intensity clash against Leander Paes in the mixed doubles after both the Indians made the quarter-finals with their respective partners in the Australian Open in Melbourne.
The Maria Sharapova-Jimmy Connors partnership got off to a rocky start on Tuesday as Sloane Stephens shocked the third ranked Russian 2-6, 7-6(5), 6-3 at the Western and Southern Open.
Medvedev moved a step closer to a potential semi-final showdown with Novak Djokovic at the Australian Open warm-up event.
Serena Williams was the highest paid female athlete for a third consecutive year in 2018, according to an annual list published by Forbes on Tuesday that was dominated by tennis players.
Former champion Caroline Wozniacki reached the semi-finals of the Eastbourne grasscourt tournament with a 7-5, 6-1 defeat of Germany's Andrea Petkovic on Thursday.
World No. 1 Novak Djokovic is determined to give it his best shot in Paris to win the elusive Olympic gold medal.
Osaka battled on gamely before retiring while trailing Kaia Kanepi 7-6(4), 3-0.
Maria Sharapova has confirmed she has severed ties with coach Jimmy Connors after one match together. The Russian world number three said in a statement e-mailed to Tennis.com that the pairing had not been 'the right fit for this time in my career'.
With the American men experiencing their longest US Open title drought in the Open era, Venus Williams led the American charge into round two on Monday with a 6-3, 3-6, 6-2 win over Viktoria Kuzmova of Slovakia.
Photos from Day 1 of the Australian Open matches played at Melbourne Park on Monday
Frances Tiafoe, Taylor Fritz, Tommy Paul and Coco Gauff all advanced to the third round of the US Open on Wednesday to keep home hopes alive.
Karolina Pliskova won her first title of the year on Sunday with a 7-6(2), 6-4 victory over American CoCo Vandeweghe in the final of the Porsche Tennis Grand Prix.
Serena Williams can break Margaret Court's record of 24 Grand Slam singles despite being five short at an age when most players have retired, according to Martina Navratilova.