Madrid, April 2: Spain's Rafael dal returned to the top spot in the men's Association of Tennis Professiols world singles rankings, released on Monday, dethroning Switzerland's Roger Federer.
Federer, a 20-time Grand Slam champion, fell to World No. 2 after he lost to Australia's Thasi Kokkikis 3-6, 6-3, 7-6 (4) at Miami Open's round of 64 last month.
The United States' John Isner jumped eight places to World No. 9, after he won his first Miami Open title on Sunday against Alexander Zverev of Germany, who climbed one place to fourth.
Meanwhile, Argenti's Juan Martin del Potro, Austria's Dominic Thiem and South Africa's Kevin Anderson kept their spots in sixth, seventh and eighth, respectively. IANS