Federer casts doubt over Davis Cup future in 2016

Federer casts doubt over Davis Cup future in 2016

Roger Federer defeated Thiemmo de Bakker in three sets to lift Switzerland past the Netherlands in Sunday's Davis Cup tennis playoffs in Geneva but then cast doubt on his future in the tournament.

Wawrinka and Federer mulling Davis Cup play

Wawrinka and Federer mulling Davis Cup play

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Nishikori win sends Wawrinka to semifinals

Wawrinka wins second straight Chennai Open

Wawrinka wins second straight Chennai Open

Wawrinka prepares for Aussie Open in India

Wawrinka prepares for Aussie Open in India

Fans give Davis Cup heroes rousing reception

Fans give Davis Cup heroes rousing reception

Wawrinka praised as key to Switzerland’s victory

Wawrinka praised as key to Switzerland’s victory

Federer loss offsets Wawrinka’s win in Lille

Federer loss offsets Wawrinka’s win in Lille

Wawrinka beats Berdych to advance in London

Wawrinka beats Berdych to advance in London

Federer advances as Wawrinka falls in Paris

Federer advances as Wawrinka falls in Paris

Wawrinka knocked out early at Japan Open

Wawrinka knocked out early at Japan Open

Wawrinka overcomes cramps in New York win

Wawrinka overcomes cramps in New York win

Swiss top two officially tapped for Davis Cup

Swiss top two officially tapped for Davis Cup

Wawrinka reaches second round of US Open

Wawrinka reaches second round of US Open

Federer and Wawrinka win at Toronto Masters

Federer and Wawrinka win at Toronto Masters

Wawrinka advances to Wimbledon fourth round

Wawrinka advances to Wimbledon fourth round

Wawrinka knocked out of French Open early

Wawrinka knocked out of French Open early

Stanislas the tennis man: ‘Just call me Stan’

Stanislas the tennis man: ‘Just call me Stan’

Wawrinka defeats Federer in all Swiss final

Wawrinka defeats Federer in all Swiss final

Federer sets up all Swiss tennis showdown

Federer sets up all Swiss tennis showdown

Federer pulls Swiss level after Wawrinka shock

Federer pulls Swiss level after Wawrinka shock

Federer and Wawrinka buoy Davis Cup hopes

Federer and Wawrinka buoy Davis Cup hopes

Davis Cup quarterfinals confirmed for Geneva

Davis Cup quarterfinals confirmed for Geneva

Wawrinka and Federer join forces for Davis Cup

Wawrinka and Federer join forces for Davis Cup

Wawrinka draws hero’s welcome in Geneva

Wawrinka draws hero’s welcome in Geneva

Swiss fury as Germans ‘steal’ their tennis star

Swiss fury as Germans ‘steal’ their tennis star

Swiss press: hero Stan ’embodies Swiss virtue’

Swiss press: hero Stan ’embodies Swiss virtue’

Federer cedes Swiss title with loss to Nadal

Federer cedes Swiss title with loss to Nadal

‘Stan the man’ heads to Grand Slam final

‘Stan the man’ heads to Grand Slam final

Wawrinka knocks Djokovic out of Open

Wawrinka knocks Djokovic out of Open

Wawrinka heads to Melbourne quarterfinals

Wawrinka heads to Melbourne quarterfinals

Wawrinka named Swiss of the year for 2013

Wawrinka named Swiss of the year for 2013

Fatigued Wawrinka drops out of Aussie tourney

Fatigued Wawrinka drops out of Aussie tourney

Wawrinka teams up with Swiss hospitality schools

Wawrinka teams up with Swiss hospitality schools

Wawrinka heads to India for ATP Chennai Open

Wawrinka heads to India for ATP Chennai Open

Wawrinka loses hard-fought match to Nadal

Wawrinka loses hard-fought match to Nadal

Wawrinka wins debut World Tour Finals match

Wawrinka wins debut World Tour Finals match

Federer joins Wawrinka in Paris quarterfinals

Federer joins Wawrinka in Paris quarterfinals

Federer and Wawrinka play to partisan fans

Federer and Wawrinka play to partisan fans

Stanislas Wawrinka steps out of an icon’s shadow

Stanislas Wawrinka steps out of an icon’s shadow

Wawrinka joins Federer in US Open fourth round

Wawrinka joins Federer in US Open fourth round

Wawrinka rebounds to advance at US Open

Wawrinka rebounds to advance at US Open

Wawrinka vies for honours at Swiss Open

Wawrinka vies for honours at Swiss Open

Nadal manhandles Wawrinka at French Open

Nadal manhandles Wawrinka at French Open

Wawrinka set to play Nadal at French Open

Wawrinka set to play Nadal at French Open

Federer wins opener in bid for sixth Basel title

Federer wins opener in bid for sixth Basel title

Hometown hero Federer set to defend Basel title

Hometown hero Federer set to defend Basel title

Federer celebrates 300 weeks as world No. 1

Federer celebrates 300 weeks as world No. 1

Federer leads Swiss to Davis Cup win

Federer leads Swiss to Davis Cup win

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Wawrinka retires as Djokovic marches on

Wawrinka succeeds Federer as Swiss flag bearer

Wawrinka succeeds Federer as Swiss flag bearer