Exciting Bivouac daughter Luana Miss upset raging favourite Yes Queen (Yes Yes Yes) to run out an impressive winner of the Listed WATC Supremacy Stakes (1000m) at Ascot yesterday becoming the third stakes-winner for her young sire.

The flat racing season has kicked off in Europe with three quality races for new season three year-olds at Leopardstown overnight producing a quinella for Wootton Bassett (GB), a blue-blood Kingman filly for Juddmonte and two of the three winners were trained by Aidan O’Brien for the Coolmore partners.