It's day four of Royal Ascot and the three-year-olds take centre stage in the Commonwealth Cup and the Coronation Stakes.

Commentator Gareth Topham joins Mark Walton to preview those two races and the pair also take a look back at a tremendous Ascot Gold Cup.

Join Ross Brierley, Craig Forsyth and Ollie Pimlott on Racing Radio from 1.30pm.

Enjoy.