re: Let's Talk About The Great Great Rafael Nadal

Overall match winning percentages on clay:

Rafael Nadal: 436-39 (92%)
Bjorn Borg: 251-41 (86%)
Ivan Lendl: 329-75 (81%)
Thomas Muster: 426–127 (77%)
Gustava Kuerten: 255-123 (67%)


Most Wins At A Single Major:
Rafael Nadal, RG: 12
Roger Federer, Wimby: 8
Novak Djokovic: Aussie: 7
Pete Sampras, Wimby: 7

On the female side:
Margaret Court, Aussie: 11*
Martina Navratilova, Wimby: 9**


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*this really shouldn't be on the list as this was an amateur championship and, during her time, was essentially little more than an australian national championship.
**and she had nobody to play against who was worth their weight in dogshit on grass until Steffi Graf came around, and as soon as that happened, Graf started beating her.