The mathematics of the round-robin system in tennis can get complicated, but Andy Murray kept it simple against Jo-Wilfried Tsonga in front of a packed house of 17,800 at the 02 Arena in London's Docklands.
Just before the ATP Finals match on Friday, coach Ivan Lendl dropped the hint that Murray only needed to win just one set against the Frenchman to guarantee himself a place in Sunday's semifinals, and his player responded by bursting out of the blocks like those sprinters did at the nearby Olympic Stadium in the summer.
Outplaying Tsonga at every turn, Murray wrapped up the first set 6-2 to reach the last four of the ATP Finals for the third time in his career. Despite a sudden burst of energy from his athletic opponent in the second set, Murray won the set on a breaker to go through 6-2, 7-6 (3).
To the delight of the crowd, which included the London-based American actor Kevin Spacey, Tsonga started to play some entertaining stuff later in the match and won an amazing 31-stro...