Originally Posted by ssj100
Kuerten played in a mug clay era. No way he qualifies. Incredible he became world no. 1 by just being good on clay. Such a mug era, just like the era of 2007-2012.
kuerten beat agassi and sampras back to back on indoor carpet (his weakest surface by far) at the Year End Championships to seal no1 and year end end no1