Sampras won 12 different tournaments at 250 ... where he downed Goran Ivanisevic in the final. Muster won 16 different 250 events, with his four titles in Mexico City making it his most successful ...
Great servers such as Pete Sampras, Goran Ivanisevic and Serena Williams have honed the timing, rhythm and, above all, technique of their service actions to enable it to hold up under even the ...