There were to be no Fourth of July celebrations for American Madison Keys as she joined the exodus of seeds from Wimbledon with a 6-3 6-3 defeat by 104th-ranked German Laura Siegemund in the third round on Friday.
The sixth seed looked a far cry from the player who won her maiden Grand Slam title at the Australian Open earlier this year, racking up unforced errors - 31 in total - and wayward serves on a sun-drenched Court Two.
The 37-year-old Siegemund, now the oldest player left in the women's singles draw, jumped with glee upon sealing victory and will play her first ever Wimbledon fourth round against Argentine Solana Sierra, who defeated Spain's Cristina Bucsa 7-5 1-6 6-1.
Sierra continued to make the most of her good fortune at Wimbledon as she became the first lucky loser to move into the fourth round of the grasscourt Grand Slam since tennis turned professional in 1968.
The 21-year-old squandered a match point and crashed in the final round of qualifying to Australia's Talia Gibson, but went into the main draw at the very last moment when Belgium's Greet Minnen pulled out and she has not looked back since.
After seeing off Australia's Olivia Gadecki and stunning local favourite Katie Boulter, she came through a challenging test against Bucsa.
Elsewhere, Amanda Anisimova became the first American through to the last-16 of this year's Wimbledon with a 6-3 5-7 6-3 defeat of Hungary's Dalma Galfi.
Four-time Grand Slam winner Naomi Osaka was unable to capitalise on a bright start in the first set as former French Open finalist Anastasia Pavlyuchenkova fought back to win 3-6 6-4 6-4 and reach the fourth round.
Britain's Sonay Kartal surged into the fourth round for the first time with a remarkable turnaround performance against French qualifier Diane Parry as she won nine games in a row to come from 4-1 down to triumph 6-4 6-2.
On the men's side, Russian 14th seed Andrey Rublev beat Adrian Mannarino 7-5 6-2 6-3 to reach the fourth round, while US Open finalist and American fifth seed Taylor Fritz fought through a leg injury to beat Spaniard Alejandro Davidovich Fokina 6-4 6-3 6(5)-7 6-1.
Tennis showman Gael Monfils crashed out of the second round as Hungarian Marton Fucsovics defeated the 38-year-old 6-4 1-6 4-6 7-6(5) 6-4.
American 10th seed Ben Shelton, whose second-round clash with Rinky Hijikata was suspended on Thursday while he was serving for the match, took just 55 seconds to land three aces and win 6-3 7-5 6-4.
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