Answer
Sampras achieved six consecutive year-end No. 1 rankings, a feat that has only been matched by Roger Federer and Novak Djokovic. Sampras' dominance at the top of the men's game was unparalleled during his era, as he consistently outperformed his rivals and won multiple Grand Slam titles. His ability to maintain his ranking for such an extended period is a testament to his exceptional talent and consistency.