(Reuters) - World number three Carlos Alcaraz is unlikely to be at his best for Wednesday's ATP Finals match against Andrey Rublev as the four-times Grand Slam champion continues to struggle with illness, the Spaniard's coach Juan Carlos Ferrero said.

Join Tanya Aldred for updates as Carlos Alcaraz looks to bounce back from his opening defeat by Casper Ruud when he faces the Russian No 8 seed.   12:08 Already this morning, the men’s doubles favourites Mate Pavic and Marcelo Arevalo have clocked up a relatively straightforward win against Rohan Bopanna and Matthew Ebden: 7-5,

In the ATP Finals’ Day 2, there was a shocking surprise. Carlos Alcaraz was defeated by Casper Ruud in the first match of the 'John Newcombe group', creating a situation that no one would have expected before the start of the tournament.