Andy Murray has become the 26th man to be ranked world number one in tennis since the system began in 1973.
Novak Djokovic had held the position since July 2014 and Murray is the first player other than the Serb, Roger Federer or Rafael Nadal to hit top spot since Andy Roddick in 2004.
Here, we list the 10 longest-serving incumbents.
1 / 10
10. LLEYTON HEWITT - 80 WEEKS
2 / 10
9. ANDRE AGASSI - 101 WEEKS
3 / 10
8. BJORN BORG - 109 WEEKS
4 / 10
7. RAFAEL NADAL - 141 WEEKS
5 / 10
6. JOHN MCENROE - 170 WEEKS
6 / 10
5. NOVAK DJOKOVIC - 223 WEEKS
7 / 10
4. JIMMY CONNORS - 268 WEEKS
8 / 10
3. IVAN LENDL - 270 WEEKS
9 / 10
2. PETE SAMPRAS - 286 WEEKS
10 / 10
1. ROGER FEDERER - 302 WEEKS
