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.
An air of calm descended at Wimbledon on 'Tranquil Thursday' as Novak Djokovic and Serena Williams avoided the trail of destruction that had decimated the field at the All England Club on day three of the grasscourt major.
World number one Rafael Nadal begins his French Open title defence, on Monday, with a clash against Italy's Simone Bolelli on Court Philippe-Chatrier.
A summary of sports events and persons who made news on Monday
Maria Sharapova's mix of grit and power were enough to see off American teenager Sofia Kenin 7-5, 6-2 in the third round of the US Open on Friday.
Cilic's booming serve lacked its usual accuracy and Germany's Kohlschreiber was able to control long rallies, pushing the towering Croatian around the court with pinpoint groundstrokes en route to a quick victory.
World number five Alexander Zverev continued his poor recent form as he crashed out of the Italian Open in the second round while Serena Williams had to pull out of the women's draw with a recurring knee injury.
World number two Rafael Nadal dropped a set at the Barcelona Open for the first time in four years before advancing to the last 16, beating Argentine Leonardo Mayer 6-7(7), 6-4, 6-2 on Wednesday.
The 36-year-old Australian Open champion arrived in the Dutch port city at the weekend knowing a run to the semi-finals will move him ahead of Rafael Nadal in the ATP standings.
Photos from French Open matches played at the Roland Garros on Friday
The lanky wild card kissed the Montreal court after completing a rousing 3-6, 6-4, 7-6(4) triumph as the 18-year-old became the youngest player to ever reach the quarter-finals of an ATP Masters 1000 event.
Former world number one Garbine Muguruza was beaten 7-5, 6-4 by Aryna Sabalenka in the China Open second round on Tuesday while an ailing Jelena Ostapenko lost 6-0, 6-0 to Wang Qiang.
The Russian five-times Grand Slam champion struggled for rhythm initially on the low-bouncing grasscourt at the Mallorca Open but picked up the pace to beat Viktoria Kuzmova 7-6(8), 6-0.
Roger Federer rallied from a set down to beat Moldovan surprise package Radu Albot 4-6, 7-5, 6-3 in a stuttering start to the 20-times Grand Slam champion's Miami Open campaign on Saturday.
Karolina Pliskova lost her cool over a line call and bashed a hole into the umpire's chair with her racket after suffering a 3-6, 6-3, 7-5 defeat by Maria Sakkari in the Italian Open second round on Wednesday.
A ruthless Sorana Cirstea took full advantage of Karolina Pliskova's patchy form at the China Open on Thursday, reaching the quarter-finals as she consigned the recently dethroned world number one to a 6-1, 7-5 defeat.
A summary of sports events and sports persons, who made news on Friday
Images from Day 1 at the Australian Open.
Images from Day 3 of the Australian Open in Melbourne on Wednesday
IMAGES from Day 1 of the Wimbledon Championships played on Monday.
Rafael Nadal was made to wait before his second-round Rogers Cup match due to several rain delays but did his part to put the schedule back on track with a speedy 6-2 6-3 win over Frenchman Benoit Paire on Wednesday.
IMAGES from the Australian Open matches played at Melbourne Park on Wednesday
Federer, who skipped the entire clay court season after winning the Australian Open and claiming titles at Indian Wells and Miami this year, will next play defending champion Florian Mayer who beat Frenchman Lucas Pouille in three sets.
Photos from Day 5 action at the Western & Southern Open at Cincinnati on Thursday.
A summary of Thursday's play at the French Open.
Two-time Grand Slam winner Victoria Azarenka crashed out of the French Open in the first round losing 5-7, 5-7 to Katerina Siniakova on Monday, playing only her fifth tournament of the year after a legal battle over the custody of her son.
A summary of sports events and persons who made news on Sunday
IMAGES from Day 5 of the 2020 US Open in New York on Friday.
Indian teen golfer Aditi Ashok shot a final round of three-under 69 on a weather-hit last day to notch up her second successive victory on the Ladies European Tour at the inaugural Qatar Ladies Open in Doha on Saturday.
Swiss qualifier Timea Bacsinszky continued to swipe past the seeds at the Wuhan Open on Wednesday by dumping World No 4 Maria Sharapova from the hard court tournament with a 7-6(3), 7-5 victory.
PHOTOS from day four of the Wimbledon championships at the All England Lawn Tennis and Croquet Club in London on Friday.
The 32-year-old, five-times a winner of the singles at the prestigious Wimbledon warm-up event, delighted a large evening centre court crowd with some fluent shot-making as he and Spanish veteran Lopez beat top seeds Juan Sebastian Cabal and Robert Farah 7-6(5), 6-3.
World number one Simona Halep saved three match-points before edging past an inspired Lauren Davis 4-6, 6-4, 15-13 in a thrilling marathon to reach the fourth round of the Australian Open on Saturday.
Images from Day 2 of the Australian Open in Melbourne on Tuesday
IMAGES from matches played on Day 7 of the French Open at the Roland Garros in Paris on Saturday
Images from Day 1 of the US Open in New York, on Monday.
Images from matches played on Day 4 of the Australian Open at Melbourne Park on Thursday
- 'I feel I came through this year stronger and wiser'
Ukrainian second seed Elina Svitolina ended Naomi Osaka's remarkable recent run with a 6-4, 6-2 triumph over the Indian Wells champion in the second round of the Miami Open on Friday.
China and Spain played out a 0-0 draw in their final World Cup Group B match on Monday and the result was good enough for both teams to advance to the last 16 after Germany beat South Africa 4-0 in the other game in the section.