Players who played the most Masters 1000 finals against each other.

Nadal v Djokovic, 10 times Federer v Nadal, 9 times McEnroe v Lendl, 6 times Becker v Edberg, 6 times Agassi v Sampras, 5 times Murray v Djokovic, 5 times Borg v Connors, 4 times Ashe v Connors, 4 times