The daughter of Arcano raced professionally throughout and was always to the fore under Hayley Turner.
She travelled smoothly before taking over the running on rounding the final bend. The favourite Diamond Ridge mounted a challenge and the pair were neck and neck approaching the furlong marker.
Faddwa was headed with 100yds to run but battled back gamely to win by half a length.
Roger said: "That wasn't the strongest of maidens but she has shown a likable attitude and can hopefully build on this debut effort when she goes into handicaps."