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Jack Sock and Mike Bryan advance to the Wimbledon doubles semi-finals on Tuesday.

Mike Bryan Clinches No. 1 By Reaching Wimbledon SF With Sock

Mike Bryan, 40, to become the oldest No. 1

It hasn't been the same for Mike Bryan at Wimbledon this fortnight. The American is playing without his twin brother Bob (hip injury) for the first time at the All England Club.

But with countryman Jack Sock, Mike has forged ahead, and he even secured himself some history on Tuesday. Bryan/Sock advanced to the semi-finals, beating Indian Divij Sharan and Artem Sitak of New Zealand 7-6(4), 7-6(5), 6-7(3), 6-4.

With the win, Mike Bryan guaranteed that he will return to No. 1 in the ATP Doubles Rankings on Monday, when the new rankings are released. He will become the oldest No. 1 in the history of the ATP Rankings and ATP Doubles Rankings. Mike will be 40 years, 78 days old on Monday.

Daniel Nestor previously held the record. He was 40 years, five days old when he was last No. 1 on 9 September 2012.

Mike Bryan isn't finished at SW19 yet, either. The seventh seeds will next face Dominic Inglot of Great Britain/Franko Skugor of Croatia. Inglot/Skugor, the 15th seeds, beat Dutchman Robin Haase and Robert Lindstedt of Sweden 6-3, 6-7(2), 7-6(1), 6-4.

Frederik Nielsen of Denmark and Brit Joe Salisbury stopped 14th seeds Ben McLachlan of Japan and German Jan-Lennard Struff from reaching their second Grand Slam semi-final of the season (Australian Open) 7-6(6), 4-6, 7-6(2), 7-6(4). Nielsen/Salisbury will meet 13th seeds Raven Klaasen of South Africa and Michael Venus of New Zealand, who beat fifth seeds Jamie Murray and Bruno Soares 6-7(5), 7-6(5), 5-7, 7-6(4), 6-4.

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