Roger Federer has spent a total of 310 weeks at the number one ranking in tennis. This is a very impressive achievement, and he is one of the top players in history to hold this position for so long.
Federer also holds the record for the longest consecutive time at number one, which is 237 weeks, from February 2004 to August 2008. During this period, he won many important tournaments, including several Grand Slam titles.
In addition to his long time at number one, Federer has also had a very long career, with a span of 14 years between his first and last time at the top ranking. This shows how consistent and successful he was throughout his career.
Overall, Roger Federer’s achievements in tennis are remarkable, and his time at number one is a testament to his skill and dedication to the sport.