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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' and has now named the toughest opponent ...
Novak Djokovic’s father drops retirement request: ‘My son, start thinking about how you want to end this’
Novak Djokovic, who is the only remaining active member of the Big Three (which also consists of retired players Roger ...