In the women's draw, seven-times victor Serena Williams overcame her first big test in confident fashion by beating France's Kristina Mladenovic 7-5 7-6 (2).
The same was true for Roger Federer, who saw off Germany's Jan-Lennard Struff in straight sets to reach the second week of the tournament for the 16th time in his career. For me, because it's such a closed court, for me the court is dark at 7.30pm.
The 36-year-old Swiss extended his winning streak to 29 consecutive sets at the All England Club.
"I just came out with a very different mindset", said Raonic. Nishikori won that won 6-2 2-6 6-2.
The ninth-seeded American will face Greek teenager Stefanos Tsitsipas for a place in the quarter-finals.
"It never happened to me that the umpire changed the decision", Cibulkova said. "I was seeing the ball much better".
He hit the headlines on Tuesday when he was fined £1,500 for "snapping" at a ball boy and for shouting at fans to "shut up" when he beat 19-year-old Briton Jay Clarke. The Czech faces Dutch 20th seed Kiki Bertens, who stunned five-time Wimbledon victor Venus in the third round.
Venus became the eighth top-10 player in the women's draw to crash out this week.
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With everything on the line, de Minaur forced Nadal into longer rallies, giving one of the trademark performances that have distinguished him as a promising young player. I thought that honestly. "I was extremely negative yesterday and just needed to come out with a very different state of mind and different approach today to have a better chance than I had yesterday".
'I think that he's a future Grand Slam victor.
When play was suspended on Thursday, Zverev was two sets behind to one down on Court 1 but fought back to defeat the American youngster 6-4 5-7 6-7 6-1 6-2, in a match lasting over three hours.
Two points from the first set at 4-5, 0-30 on Hsieh's serve, Cibulkova was awarded a set point, before having it taken away from her after a seven-minute delay involving discussions between both players, the chair umpire, and the match referee. Gulbis had won only one Tour match in 2018 before Wimbledon and has been working his way back up the rankings on the Challenger Tour.
The world No 44 from France will next meet another big server in Kevin Anderson, who overcame Philipp Kohlschreiber 6-3 7-5 7-5.
French Open semi-finalist Keys struggled for most of the match as she committed 48 unforced errors in a disappointing display.
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