Rafael Nadal once again hinted at retirement despite his remarkable performance to outlast Novak Djokovic in the French Open quarter-finals. In their 59th meeting Nadal saw off his great rival in four sets, 6-2 4-6 6-2 7-6, to take his place in the last four where he will play Alexander Zverev. Ad/> Nadal's movement appeared to be uncompromised during the stunning encounter but as he revealed in his post-match press conference, that does not mean he has found a solution to his long-standing foot problem that caused him to limp out of the Italian Open prior to Roland-Garros.