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Serena Williams, the American tennis legend, ascended to the pinnacle of women's tennis as the new World No. 1 in singles, succeeding Dinara Safina's reign. Williams' dominance on the court, characterized by her powerful serve, exceptional athleticism, and unwavering determination, propelled her to this illustrious position. With this achievement, she cemented her status as one of the greatest female tennis players of all time.