The world No 1 is unbeaten against his Norwegian opponent. Join Jim Wallace to see if that changes.   20:59 First set: Sinner 3-1 Ruud* Well played Casper Ruud, the Norwegian settles into his game and looks sprightly,

Earlier this year in Monte Carlo, Casper defeated Novak Djokovic for the first time, toppling the world's leading player and hoping for a similar outcome in Turin on Saturday night. Ruud makes Sinner the favorite, praising the Italian but promising to give his best to perform a stunner.

Casper Ruud will be Sinner's opponent in the semifinals of the ATP Finals. The Norwegian tennis player was a surprise protagonist in his group and qualified for the final phase at the expense