.  But Sampras isn't the king of his pet slam. Nadal is the king of RolandGarros, with 0 slams, and NO ONE else has 0 slams at RolandGarros. Whereas Wimbledon has two tied slam kings, Pete Sampras and roger federer. In fact, Nadal is the ONLY slam king in open era history.  But Sampras isn't the king of his pet slam. Nadal is the king of RolandGarros, with 0 slams, and NO ONE else has 0 slams at RolandGarros. Whereas Wimbledon has two tied slam kings, Pete Sampras and roger federer. In fact, Nadal is the ONLY slam king in open era history.  Before the Fedal era, and especially during the Sampras/Agassi era, clay was an afterthought. It was Nadal's ability to break out of the clay court specialist mold, and Federer's ability to succeed on clay that has raised clay's profile, at least since the 00s (when I started following tennis).  C