Racing: Moore partners Sergeant Cecil in bid for second Group One

Champion jockey-elect Ryan Moore will partner Sergeant Cecil for the first time when the rags-to-riches seven-year-old goes for his second Group One success in tomorrow's Prix Royal-Oak at Longchamp.

Moore replaces Frankie Dettori, who gave the gelding one of the rides of the season in the Prix du Cadran at the Paris track on Arc day. The Italian will be on duty for Godolphin in Italy, where he partners Picatvia in the Premio Lydia Tesio.

"I'm sure Ryan will be a good substitute," said the gelding's trainer Rod Millman. "He hasn't been down to sit on him, but Frankie hadn't either before he won on him for the first time, so I'm not too worried."

Sergeant Cecil, going for a four-timer, will have 10 rivals at Longchamp, including his immediate Cadran victim Shamdala. The challenge from Britain is completed by Park Hill Stakes winner Rising Cross and Frank Sonata.

The gathering pace of the domestic jumps season continues tomorrow as exciting chaser Kauto Star makes his seasonal debut at Aintree in the Old Roan Chase. The six-year-old has not run since his early fall as favourite for the Queen Mother Champion Chase and will be trying two and a half miles with a view to a run in the King George VI Chase.