Quiz: Test your knowledge on the ATP No 1 singles rankings

Roger Federer has become the oldest No 1 player since the introduction of the rankings, but how much do you know outside of that?
Latest
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News
Australian Open preparations rocked by fourth positive Covid case
A positive test was returned by a broadcast team member on a charter flight from Los Angeles.
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News
Players were made aware of isolation risks on arrival to Australia – Craig Tiley
Forty seven players will have to remain in their hotel rooms for 14 days.
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Australian Open
Andy Murray’s waiting game as anger mounts after tennis players fly in for Australian Open
Andy Murray is waiting to see if there is any way he compete in the Australian Open after testing positive for Covid-19.
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News
Positive Covid cases on flights to Australia put 47 players in 14-day quarantine
Three people across two chartered flights carrying the Open hopefuls tested positive for coronavirus upon their arrival in Melbourne.
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Tennis News
Bernard Tomic still has drive to compete, saying ‘I don’t need to play tennis again, I’ve got enough money’
“I’m risking my life, and I’m playing and competing.”
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Tennis News
Dominic Thiem: ‘My wish for 2021 is to win a second Grand Slam title’
Dominic Thiem eyes a second Grand Slam trophy.
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Australian Open
VIDEO and PICS: Novak Djokovic, Rafael Nadal, Serena Williams among tennis stars to arrive in Australia
This way for a video and pics of arrivals in Australia.
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Australian Open
Official insists no special Australian Open treatment for Andy Murray after positive COVID-19 result
Andy Murray warned he won’t get preferential treatment.
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Australian Open
Madison Keys latest player to miss Australian Open charter flight after testing positive for coronavirus
Madison Keys unlikely to play at Australian Open.
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Australian Open
Andy Murray in race against time to play at Australian Open after testing positive for COVID-19
Andy Murray tests positive for coronavirus – report.