Champion Hong Kong jockey Douglas Whyte will ride Moriarty in Saturday’s Kingston Town Classic at Ascot, rerports Racing Network.

Whyte, a 13-time premiership winner in Hong Kong, was booked by Chris Waller after Nash Rawiller, who rode the horse in the Railway Stakes, was suspended.

Waller engaged Whyte earlier in the spring when he partnered Junoob into seventh place in the Caulfield Cup.

Stable racing manager Liam Prior said Waller had been so impressed by Whyte during the experience with Junoob that it was decided to engage him again wherever possible.

Prior said when Rawiller was suspended at Happy Valley last Wednesday night he contacted Whyte with an offer to ride Moriarty.

"Chris was really taken by the professionalism and commitment Douglas exhibited on Caulfield Cup. It was a seamless decision," Prior said.

It’s not the first time Whyte has ridden at the WA spring/summer carnival.

Last year Whyte rode subsequent Perth Cup winner Black Tycoon to win the listed Tattersall’s Cup at Ascot. rates Moriaty, who surged from near the rear of the field to finish third behind Elite Belle in the Railway, as a $4.60 favourite in the $500,000 Group 1.