Spain Reigns on Clay Rafa Nadal’s 9 Roland Garros titles and decade of dominance on clay are the peak of a Spanish trend on clay Sergei Bruguera won Roland Garros in 1993 and 1994, Carlos Moya won in 1998, Albert Costa won in 2002, and Juan Carlos Ferrero won in 2003. Alex Corretja, Sergei Bruguera,…