Serena return had been eagerly anticipated but 115th-ranked Tan ripped up the script with a nerve-shredding win.
American Venus Williams has pulled out of this year's Wimbledon because of a back injury, the five-times singles champion said on Tuesday.
Once a beaming Anisimova had lifted herself off the ground, she scooped up her three-year-old nephew Jackson for a victory lap.
Aryna Sabalenka inched closer to becoming the first woman since Serena Williams (2012-14) to win consecutive US Open titles.
The American is hoping that belief will help her rekindle the Wimbledon magic that launched her into the public eye five years ago.
From Grand Slam champions to Olympic gold medalists, some of the world's most iconic athletes brought their signature style to the steps of the Metropolitan Museum of Art in New York City.
Maria crowned first Queen's Club women's champion in 52 years
Kate, Britain's Princess of Wales, arrived smiling at the Wimbledon tennis championships on Sunday to watch the men's singles final.
Serena Williams has won 21 Grand Slam titles but failed to finish 5km run in Miami, Florida.
Serena Williams is third on the list of female Grand Slam title winners. She is one of only five women, after Maureen Connolly, Margaret Court, Martina Navratilova and Steffi Graf, to hold all four Grand Slam titles at same time.
Seventh seed Jasmine Paolini became the first Italian woman to reach the Wimbledon final after defeating Croatian Donna Vekic 2-6, 6-4, 7-6(8) on Thursday in the longest women's semi-final at the All England Club.
Former champion Iga Swiatek kicked off her US Open campaign with a 6-1, 6-2 win over Colombia's Emiliana Arango on Tuesday as the Pole aims to keep her hot streak on track in New York.
'We heard it was like the Hollywood of mixed doubles.'
Five-time Wimbledon champion Venus Williams chalked up her first victory at the tournament for three years, adopting an underdog mentality to help her to dispose of Spaniard Maria-Teresa Torro-Flor 6-4, 4-6, 6-2.
Defending champion Serena Williams has been seeded eighth for next week's Wimbledon championships but sister Venus is lurking down at 24th after the All England Club's seedings committee met on Wednesday.
Serena Williams appeared on stage with the American popstar at Hyde Park festival.
Venus Williams accused Wimbledon officials of discriminating against its women champions and wants "equality" when it comes to scheduling matches on its two biggest showcourts.
Sabine Lisicki caused the biggest upset in the women's singles at Wimbledon when she beat Serena Williams in the fourth round on Monday. The German won 6-2, 1-6, 6-4.
American five-time Wimbledon women's doubles champion Serena and Venus Williams pulled out of this year's tournament.
Williams playing at a 'better level' after injury-hit start to season
Serena Williams gave little away on Sunday as she assessed her chances of retaining her Wimbledon title -- and dismissed suggestions that she is under any pressure. The 34-year-old American has not struck a ball competitively since losing to Spain's Garbine Muguruza in the French Open final on June 4 - a defeat that frustrated her hopes of matching Steffi Graf's professional era record of 22 grand slam titles. Considering she also fell at the final hurdle in Australia against Angelique Kerber and went out of the U.S. Open semi-finals last year when two wins away from a calendar grand slam, Williams would be forgiven for feeling a little edgy.
Seven-time Grand Slam champion Venus Williams and former world number three Elina Svitolina were handed wildcard entries into Wimbledon.
The shock losses suffered by top two seeds Serena Williams and Li Na have left Maria Sharapova with a smooth passage and the Russian is primed to win her second Wimbledon title, 10 years after winning her first as a 17-year-old.
Williams, a record 23-times Grand Slam champion, will be returning to the All England Club for the first time since giving birth to her daughter last September.
While all eyes were on the intense battle between Alcaraz and Djokovic, the presence of celebrities added a touch of glamour to the occasion.
Venus Williams targets return for Indian Wells and Miami
Venus Williams and Elina Svitolina have received wild cards for the Classic Birmingham, a WTA 250 event on grass which begins on June 19.
Fans turning up for the Wimbledon women's quarter-finals might have been forgiven for feeling a little short-changed by Tuesday's lineup yet the action served up by some of the sport's lesser lights was undoubtedly worth the ticket.
Serena beat Sara Sorribes Tormo and Marie Bouzkova 2-6, 6-3, (13-11) in the women's doubles.
Another day, another milestone reached for Novak Djokovic as he racked up Grand Slam victory number 350.
It would be hard to bet against the Williams sisters meeting in their first Wimbledon final since 2009, but Angelique Kerber and Elena Vesnina won't just be making up the numbers in the last four on Thursday. While unseeded Vesnina has described her semi-final against world number one Serena Williams as a dream, she is playing inspired tennis, bringing the guile from two doubles slams to deliver baseline power and a deft touch at the net.
'There are a number of unique challenges elite tennis players have to face. The game is gladiatorial in nature with nowhere for players to hide and no team mate or manager to help deflect the pressure.'
Opportunity knocks for Serena Williams on the grass courts of Wimbledon next week when she faces a diminished field on her best surface at the famous All England Club.
The Williams sisters Serena and Venus fell by the wayside in the fourth round at Wimbledon on Monday. Defending champion Serena was beaten 6-3, 7-6 by Frenchwoman Marion Bartoli while five-time champion Venus was outplayed by Bulgaria's Tsvetsana Pironkova 6-2, 6-3.
'I think war made me stronger and also made me mentally stronger'
Ugo Humbert had 90 minutes to fill before his delayed Wimbledon match against Casper Ruud on Wednesday but it still wasn't enough to pack properly as he turned up at Number Two Court missing a vital piece of equipment - a tennis racket.
Swiatek is positioned to face American fourth seed Jessica Pegula in the semi-finals.
Venus Williams, inspired by the sight of younger sister Serena earlier in the week, stepped back onto the court alongside Jamie Murray in the mixed doubles thanks to a wildcard entry and promptly booked a spot in the second round.
The following is a timeline charting her rise to the top of the women's game: