Mick Kent has his promising young stayers Philippi and High Shot on a well-deserved Australian Derby path.

But he acknowledges his hopes of winning the classic have diminished considerably following the "sobering" experience of watching raging Derby Favourite It's A Dundeel win the Rosehill Guineas.

Kent didn't have a runner in the Guineas but the trainer made sure he got a good view of the race that It's A Dundeel won by 6-3/4 lengths.

Philippi and High Shot contest Saturday's Group Two Tulloch Stakes (2000m) at Rosehill and are in line to then back up against It's A Dundeel in the Derby (2400m) a week.

"It was a bit sobering seeing that horse last week," Kent said of It's A Dundeel.

"He was just awesome."

Before the Derby there is Saturday's Group Two up for grabs and Kent believes Philippi, who will race in blinkers for the first time, will run well.

The trainer said he was also keen to get High Shot, a last start sixth in the Phar Lap Stakes (1500m), over this sort of distance on rain-affected going.

"He (High Shot) seems to have handled all things up there well, so I'm looking forward to him getting over this distance," Kent said.

"Philippi's runs this time in have all been reasonably good and if he has some luck I think he'll run well."

An offer to buy Philippi in the lead-up to the Rosehill Guineas "fell over", Kent said.

Philippi, a last start second in the Alister Clark Stakes, is on the second line of betting at $4.20 behind Proverb with High Shot at $8.

Meanwhile, the Kent-trained Summerbliss steps up to 2000m in the Group One Vinery Stud Stakes with the Australian Oaks (2400m) her main autumn target.

"The 10 furlongs is not her best trip, she's looking for the mile-and-a-half, but it's the logical step on the way through," Kent said.