Prix Royal-Oak preview Trainer Marco Botti fears younger rivals as Tac De Boistron bids to go one better than on his last visit to Longchamp in the Prix Royal-Oak on Sunday. The six-year-old was runner-up in the Prix du Cadran on Arc de Triomphe day to the reopposing Altano, but it is the four three-year-olds, including Michael Bell's The Lark, that worry Botti more. "He's in good form and has taken his last race really well," said Newmarket-based Botti. "He likes the ground and coming back in trip a little should an advantage. "In my opinion this looks a stronger field than the Cadran. The three-year-olds are there with the advantage of the weight. I didn't expect it to be such a strong race. "Having said that, he's a fresh horse and goes on the ground, so we're hopeful. "He ran well in this race two years ago and this is his best trip." Among the older horses in the 15-runner line-up over just short of two miles is sole Irish challenger Missunited. Michael Winters' admirable mare was runner-up to Eye Of The Storm at the Curragh last time after beating Aidan O'Brien's three-year-old at Galway earlier in September. The pick of the home team could be the Alain de Royer-Dupre-trained Ebiyza, winner of the Prix de Royallieu for owner the Aga Khan on this course three weeks ago.
