Roman Ark was the subject of a massive gamble today with the sponsors for Saturday’s totesport Trophy and is now 7-1 from 11-1 for the Newbury showpiece.

Paul Nicholls regained the lead in the trainers’ championship with a 599-1 treble on the final day of the Cheltenham Festival.

Greenhope is 3-1 favourite with the sponsors to give trainer Nicky Henderson back-to-back victories in the Tote Scoop6 Lanzarote Hurdle at Kempton Park tomorrow.