London:Roger Federer has equaled Jimmy Connors' 30-year-old record for the longest reigning world number one. Â He spent 160 straight weeks on top of the rankings. Â The 25-year-old became number one in February 2004 and with his lead being as substantial as it is; he is going to stay on top for several months more. Â Federer had said after winning the Australian Open in January that the rankings record was perhaps the most significant of his many achievements. Â The Swiss number one will overtake Connors' record next Monday.