Lopez to Fish: "I can guarantee that Sinner and Alcaraz wouldn't have won any French Open with Nadal at his prime".

Mardy Fish asked on social networks how many Grand Slams Carlos Alcaraz and Jannik Sinner would win if Roger Federer, Rafael Nadal and Novak Djokovic were at their prime.

Feliciano Lopez replied, "The only thing I can guarantee is that Sinner and Alcaraz wouldn't have won any French Open with Nadal at his prime."

Fish replied, "I've never played Rafa there, thank God!"