Unowhatimeanharry won the JLT Long Walk Hurdle after the perfect ride from Barry Geraghty.
Harry Fry’s star tracked the leaders around the final bend and made his move to stretch clear in the final furlong.
A fall from West Approach aided Geraghty’s success and previous Ascot winner Lil Rockerfeller stayed on for second.
Geraghty secured a quick-fire double by winning the next race, the Lavazza Jolie Silver Cup Handicap Chase onboard Regal Encore.
It looked set to be a thrilling finish, but Regal Encore was produced after the final flight and stormed clear despite being matched by a loose horse.
Brain Power gave Nicky Henderson a double on the day as he impressively stretched clear to win the Wessex Youth Trust Handicap Hurdle.
Top Notch justified odds-on favouritism to land the GL Events Owen Brown Graduation Chase in the fog as he stretched a length clear in the final furlong to give Nicky Henderson a winner after a disappointing Friday for the trainer.
Sam Twiston-Davies continued his fine form after treble at Ascot on Friday but landing the opening race of the day with a front-riding win on board Desert Sensation.
Poker School won for Lee Westwood and co in the BGC Partners Handicap Chase to follow up a win at Sandown in November.