'This may be Murray's greatest achievement'Read full article on Andy Murray: World number one 'may be his greatest achievement'
When Novak Djokovic won the French Open in early June, his lead at the top of the world rankings was more than 8,000 points. He had just beaten Andy Murray in a Grand Slam final for the third time in 18 months; their rivalry felt jaded because of its one-sided nature.
The announcement, just seven days later, of Ivan Lendl's return to Murray's coaching team caused a surge of optimism. But even after a second Wimbledon title was secured in July, and a second Olympic gold medal won in Rio in August, topping the world rankings before the year was out seemed inconceivable.