Answer
Yes, Paola Suárez has reached the No. 1 doubles ranking in tennis. She achieved this ranking in February 2004, and held it for a total of 10 weeks. During her career, Suárez won 63 WTA doubles titles, including four Grand Slam titles (the 2004 French Open, 2005 French Open, 2005 Wimbledon Championships, and 2006 Wimbledon Championships). She also won the Olympic gold medal in doubles at the 2004 Summer Olympics.