Inside nearly every cell of your body, the tiny F1 motor works non-stop to create adenosine triphosphate (ATP), the universal ...

Rafa Nadal's hopes of winning the year-ending ATP Finals for the first time live on after the Spaniard beat defending champion Stefanos Tsitsipas 6-4 4-6 6-2 on Thursday.

The ATP is reportedly evaluating the implementation of a formal heat rule following a chaotic week at the Shanghai Masters, where brutal conditions have forced several players to withdraw mid-match.