Sir Andy Murray and Dan Evans are both aiming to make it through to the quarter-finals of the Australian Open. Follow all the action with Sportmail's MIKE DICKSON and TOM FARMERY.
MIKE DICKSON IN MELBOURNE: Upsets can be contagious at Grand Slams and Andy Murray mirrored Novak Djokovic when he succumbed to a huge shock at the Australian Open.
Venus Williams continued to turn back the clock with a 6-3, 7-5 win over Mona Barthel in the fourth round of the Australian Open. It has set up a quarter-final tie with Anastasia Pavlyuchenkova.
MELBOURNE, Jan 22 (Reuters) - Andy Murray's dream of winning a maiden Australian Open title was left in tatters on Sunday after the top seed and world number one was knocked out in the fourth round by Mischa Zverev.
Mischa Zverev stunned Murray with a four-set victory on Sunday.
U.S. Open champion Stan Wawrinka has advanced to the Australian Open quarterfinals in three tough sets over Andrea Seppi, winning 7-6 (2), 7-6 (4), 7-6 (4)
MELBOURNE, Jan 22 (Reuters) - Stan Wawrinka's campaign for a second Australian Open title stepped up a gear on Sunday as the hard-working Swiss fended off Italian journeyman Andreas Seppi 7-6(2) 7-6(4) 7-6(4) to reach his fourth quarter-final at Melbourne Park.
MELBOURNE, Jan 22 (Reuters) - Top seeded Briton Andy Murray was knocked out of the Australian Open in the fourth round on Sunday, losing 7-5 5-7 6-2 6-4 to German world number 50 Mischa Zverev on Rod Laver Arena.
Jan 22 (Gracenote) - Results from the Australian Open Men's Singles Round 4 matches on Sunday Mischa Zverev (Germany) beat 1-Andy Murray (Britain) 7-5 5-7 6-2 6-4
MELBOURNE, Jan 22 (Reuters) - Order of play on the main showcourts on day eight of the Australian Open at Melbourne Park on Monday (play begins at 0000 GMT; prefix denotes seeding):
MELBOURNE, Jan 22 (Reuters) - United States grand slam doubles record holders Bob and Mike Bryan have retired from the Davis Cup after playing in the competition for almost 14 years.
MELBOURNE, Jan 22 (Reuters) - The life of a professional tennis player can be a lonely existence so, for the likes of the Bryan brothers, having a sibling along for the ride as you hit a new city every week can make a huge differenc...
MELBOURNE, Jan 22 (Reuters) - Venus Williams continued to turn back the clock with a 6-3 7-5 victory over Germany's Mona Barthel in the fourth round of the Australian Open on Sunday and set up a quarter-final against Russia's Anastasia Pavlyuchenkova.
Jan 22 (Gracenote) - Results from the Australian Open Women's Singles Round 4 matches on Sunday 13-Venus Williams (U.S.) beat Mona Barthel (Germany) 6-3 7-5 24-Anastasia Pavlyuchenkova (Russia) beat 8-Svetlana Kuznetsova (Russia) 6-3 6-3
Sean Randall previews the start of the fourth round at the Australian Open.
Williams picked up a 6-3, 7-5 fourth-round win Sunday over No. 181-ranked Mona Barthel.
Basketball fans may have done a double take upon seeing the Australian Open schedule on Sunday: Matthew Dellavedova was playing his first-round match on Court 7. It wasn't the Australian-born NBA player, though
Bob and Mike Bryan are retiring from playing Davis Cup for the United States after 14 years with the team