Longest No. 1 run, Grand Slam streaks: Which Roger Federer records are unbreakable ahead of retirement?

The Laver Cup will be Roger Federer’s last competitive tennis event before he retires from the sport. The 41-year-old will step away with 103 titles, second in the Open era to Jimmy Connors’ 109, 1,251 singles wins, second again to Connors’ 1,274, and 310 weeks as world No. 1, behind only Novak Djokovic's 373.

Ad Even though he will not leave the sport with the most Grand Slam titles, with his total of 20 having been passed by Rafael Nadal (22) and Djokovic (21), Federer holds several records which may never be beaten. Laver Cup'It's an honour to know you' — Djokovic pens emotional tribute to retiring Federer4 HOURS AGO World No. 1 for 287 weeks in a row Although Federer has played into his 40’s, the period from 2004 to 2008 will likely be remembered as his most impressive, and certainly his most dominant, on tour.

He replaced Andy Roddick as world No. 1 after winning his first Australian Open in 2004 and would not slip from the top of the rankings until August 2008. During that time he won 10 Grand Slam titles and in 2006 enjoyed arguably his best-ever season, winning 12 singles titles, including the Australian Open, Wimbledon, the US Open and the ATP Finals.

He was eventually displaced as No. 1 after Nadal won gold at the Beijing Olympics. Jabeur pays tribute to 'incredible' Federer Djokovic tells Federer: It's an honour to know you Nobody has come close to Federer’s 287 straight weeks as world No.

1. Connors is second in the standings with 160 weeks, 77 short of Federer. Djokovic’s best run at the top was 122 weeks, which ended in 2016.