Royal Ascot Today's Preview: Mr Dinos can be crowned champion stayer with victory in the Gold Cup at Royal Ascot today.

Paul Cole's four-year-old indicated that he could take high rank this season by landing the French St Leger on his final start last year.

And so it proved on his return at Sandown Park last month when he destroyed a high-class field for the Bonusprint Henry II Stakes despite shouldering a 5lb penalty for his Group One win.

He produced a rare burst of speed for a stayer to slam Pole Star by two and a half lengths.

That was his first attempt at two miles and judged on the way he galloped up the Sandown hill he should have little problem getting the extra four furlongs today.

Biggest threat to the selection could come from Godolphin's Mamool. He enjoyed the run of the race when winning the Yorkshire Cup last time and is not a guaranteed stayer but if he does get the trip he will make Mr Dinos pull out all the stops.

On Ladies' Day it can be a filly who takes centre stage in the shape of Ocean Silk.

John Gosden's improving daughter of Dynaformer is napped to take the Ribblesdale Stakes.

She showed an impressive turn of foot at Goodwood to beat one of today's rivals, Mezzo Soprano, by one and a quarter lengths.

Connections bypassed the Vodafone Oaks to wait for the Ribblesdale and the move can pay dividends.

There is an intriguing contest for the opening Norfolk Stakes with the speedy youngsters Kheleyf and Old Deuteronomy going head to head.

And it can be the latter who emerges victorious for champion trainer Aidan O'Brien and his stable jockey Michael Kinane.

Old Deuteronomy produced a devastating finishing kick to beat Divine Gift by five lengths on his debut at Newmarket last month and he looks destined for the top.

Whatever the fate of Kheleyf, the colt's trainer David Loder, and jockey, Frankie Dettori, can be on the mark with Etesaal in the King George V Stakes.

The son of Danzig won a shade cosily by half a length from Camille Pissarro at York last time after overcoming a wide draw.

Etesaal appears to be still on the upgrade and should go close today.

Tote Dante Stakes runner-up Tuning Fork can put a poor effort at Newmarket last time behind him to take the Hampton Court Stakes for the Royal meeting's top trainer Henry Cecil.

Alan King, better known for his handling of jumpers, can land a high-profile Flat success with Howle Hill in the Britannia Stakes. The bay gelding has finished third in hot handicaps on his two latest starts and can enjoy a change of luck today.

Howle Hill is sure to get the fast pace he needs in this 32-runner handicap over the straight mile and he looks the one they all have to beat.

Russian Rhythm, the Sagitta 1,000 Guineas winner, heads a field of 11 declared at yesterday's 48-hour stage for the Coronation Stakes at Royal Ascot tomorrow. Michael Stoute's filly bids to become the first horse since One In A Million in 1979 to win both races.