London:Roger Federer has equaled Jimmy Connors' 30-year-old record for the longest reigning world number one. ÃÂ He spent 160 straight weeks on top of the rankings. ÃÂ 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. ÃÂ Federer had said after winning the Australian Open in January that the rankings record was perhaps the most significant of his many achievements. ÃÂ The Swiss number one will overtake Connors' record next Monday.