Johanna Konta will not play any tournaments in Asia this autumn so will not be able to qualify for the season-ending WTA Championships.
As 16-year-old Ansu Fati bursts on to the scene for Barcelona, we look at other young stars impressing the sporting world.
Karolina Pliskova won her fourth WTA title of 2019 at the Zhengzhou Open with a straight sets victory over Croatia's Petra Martic
Former doubles champion Bob Hewitt, 79, has his early release on parole suspended following a public outcry.
Audio & Video
Watch Nick Kyrgios smash two racquets during a bad-tempered Cincinnati Masters defeat by Karen Khachanov.
Defending US Open champion Naomi Osaka wins hearts all over again when she consoles teenager Coco Gauff after beating her in the third round.
From racquet-smashing to rants, how much can you remember about some of tennis' most dramatic tantrums? Gear up for the US Open with our quiz.
Britain's three-time Grand Slam winner Andy Murray is ready to be reckoned with as a singles player again, writes Russell Fuller.
Analysis and opinion from the BBC's tennis correspondent.
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