Jamie Murray (right) and Bruno Soares celebrate a point during day four of the NITTO ATP World Tour Finals at the O2 Arena, London. (Photo by Adam Davy/PA Images via Getty Images)
LONDON, ENGLAND - NOVEMBER 13: Bob and Mike Bryan of the United States celebrate victory in the Doubles match against Jamie Murray of Great Britain and Bruno Soares of Brazil during day two of the Nitto ATP World Tour Finals at O2 Arena on November 13, 2017 in London, England. (Photo by Julian Finney/Getty Images)
LONDON, ENGLAND - NOVEMBER 13: Jamie Murray (L) of Great Britain and Bruno Soares of Brazil celebrate a point in the Doubles match against Bob and Mike Bryan of the United States during day two of the Nitto ATP World Tour Finals at O2 Arena on November 13, 2017 in London, England. (Photo by Clive Brunskill/Getty Images)
LONDON, ENGLAND - NOVEMBER 13: Bob and Mike Bryan of the United States celebrate a point in the Doubles match against Jamie Murray of Great Britain and Bruno Soares of Brazil during day two of the Nitto ATP World Tour Finals at O2 Arena on November 13, 2017 in London, England. (Photo by Clive Brunskill/Getty Images)
LONDON, ENGLAND - NOVEMBER 13: Bob and Mike Bryan of the USA (5) celebrate their victory over Jamie Murray of Great Britain and Bruno Soares of Brazil (4) - Bob and Mike Bryan def Murray/Soares 7-5, 6-7(3), 10-8 at O2 Arena on November 13, 2017 in London, England. (Photo by Ashley Western - CameraSport via Getty Images)
