Andy Murray officially became the best tennis player on the planet with his remarkable achievement at the ATP World Tour Finals - but is he Britain's greatest sportsperson currently competing?
The Scot overtook Novak Djokovic as world No 1, before celebrating the feat by winning the Paris Masters and then the ATP World Tour Finals in thrilling fashion on Sunday.
Reaching the pinnacle of the world rankings is considered by many to be the double Olympic gold medallist and two-time Wimbledon champion's finest hour, with Sky Sports Tennis expert Mark Petchey claiming "it's his greatest ever achievement (...) to finally get to the summit of men's tennis underlines just how much Andy is willing to sacrifice and persevere and be patient."
But is the world's best tennis player Britain's greatest current sportsperson?
We've compiled a list of the finest British competitors, featuring Olympic gold medallists, world champions and Tour de France and Champions League winners.
Have your say on who you believe to be the current greatest British sportsperson by voting up on the list below.