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'I've faced Rafa Nadal, Roger Federer and Novak Djokovic – this is who the toughest was'
Few are better positioned to comment on the tennis GOAT debate than Stan Wawrinka, who faced all of the sport's 'Big Three' ...
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Iga Swiatek is suffering from a problem Novak Djokovic has failed to solve
Sympathy was hard to identify for Iga Swiatek as she crashed out of the Australian Open after an epic semi-final showdown ...
‘I played all of tennis’ big four – I know who the toughest opponent of them all was'
Stan Wawrinka was briefly the fifth member of tennis' elite in the mid-2010s, so he's better placed than most to name which of the icons of the game was the most formidable ...