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16:05 BST - Dart defeats Boulter! She needed a tiebreak in the final set to do it, but Dart takes up a well-earned 4-6, 6-1, 7-6(8) victory.
15:47 BST - Some more results to bring you from the last hour or so! Jessica Pegula is out after a 4-6, 7-6(7), 6-1 loss to Wang Xinyu.
Marie Bouzkova has also been defeated, losing out 4-6, 1-6 to Anna Kaliskaya.
On the men's side of the draw, fan favourite Gael Monfils is through after beating Stan Wawrinka 7-6(5), 6-4, 7-6(3).
Fearnley has just picked up his first set against Djokovic, while Boulter is one game away from beating Dart - although it will go to a tiebreaker if Dart wins the next game.
14:49 BST - Frenchman Arthur Fils is through after Hubert Hukacz was forced to retire during the tiebreaker of their fourth set. A horrible way for a very entertaining match to end.
Elsewhere, Djokovic is two sets up against Fearnley while both Dart and Boulter have a set each in their clash.
13:40 BST - Djokovic's game against Fearnley has just got started - follow that one live here.
13:13 BST - The all-British match between Harriet Dart and Katie Boulter is now underway!
Elsewhere, Alex De Minaur is the first man through on the ATP side of the draw after recording a straight-sets win over Jaume Munar.
12:00 BST - Our first game of the day is over, with British player Lily Miyazaki crashing out of Wimbledon after a poor 6-0, 6-0 defeat to world number 12 Daria Kasatkina.
11:00 BST - Play is about to get underway at Wimbledon - we'll bring you the key updates throughout the day!
09:48 BST - Plenty of Brits are playing today at Wimbledon - including Andy Murray alongside his brother Jamie in the men's doubles tournament.
Read more about the homegrown talent in action here.
08:33 BST - Good morning and welcome back to our Tennis Tracker, where we'll be bringing you all the key updates from Wimbledon as the second-round matches roll on.
A host of top stars are in action today, including Novak Djokovic, Alexander Zverev and Iga Swiatek - as well as other big names like Holger Rune, Stefanos Tsitsipas and Jessica Pegula.
There are also plenty of British stars playing throughout the day including Jacob Fearnley - who faces Djokovic - and two blockbuster all-British clashes.
On the men's side, Jack Draper and Cameron Norrie go head-to-head, while Katie Boulter and Harriet Dart face off on the women's side.
