Trainer Mark Kavanagh believes the good track at Caulfield on Saturday will help inexperienced four-year-old We're Gonna Rock show his true ability in the Sir Rupert Clarke Stakes.The Fastnet Rock four-year-old is unbeaten in two starts on good or dead going but has failed miserably on two slow or heavy surfaces.The entire won first-up in restricted grade over 1000m on the synthetic track at Geelong before stepping up to Group Three level in the Bobbie Lewis Quality (1200m) at Flemington and fin

Trainer Mark Kavanagh believes the good track at Caulfield on Saturday will help inexperienced four-year-old We're Gonna Rock show his true ability in the Sir Rupert Clarke Stakes.

The Fastnet Rock four-year-old is unbeaten in two starts on good or dead going but has failed miserably on two slow or heavy surfaces.

The entire won first-up in restricted grade over 1000m on the synthetic track at Geelong before stepping up to Group Three level in the Bobbie Lewis Quality (1200m) at Flemington and finishing eighth, beaten 7-1/2 lengths by Clarke favourite Doubtful Jack, on a heavy track.

"He didn't handle the soft last time," Kavanagh said.

"He's a promising horse, there aren't too many Class Two horses in that race though. It's pretty strong in comparison to what he's done but he's given us a fair indication that there is a possibility that he may be up to that sort of (Group One) situation.

"He's still a stallion so that's where we stand with him.

"His form on debut (over 1000m at Flemington last December) was excellent but with all due respect that was a three-year-old race and this is an open Group One so certainly we've just got to wait and see."

Stable rider Michael Rodd agreed with Kavanagh, saying the Clarke was definitely a big test for We're Gonna Rock.

"It's probably not the strongest Group One tomorrow but he has to stand up tomorrow and show that he's up to this grade," he said.

"Mark's put a lot of time into this bloke and he believes he's up to this level and so do I.

"I think he's a very underrated horse and he's got a big future.

"He's still very inexperienced so he's going to be having a good look around.

"He's going to get a nice run just behind and he'll be coming home over the top of them we're hoping.

"He's got a very good turn of foot and he also switches off very well so they are two things that we need."

Meanwhile, co-trainers Mat Ellerton and Simon Zahra are hopeful lightly-raced four-year-old mare Response can measure up at the highest level.

At just her third start the daughter of Charge Forward was runner-up to Faint Perfume in the Group Two Kewney Stakes (1400m) at Flemington before winning the Group Three Matron Stakes (1600m) at the same track a week later in the autumn.

She went to the paddock after finishing ninth to Typhoon Tracy in the Group One Queen Of The Turf Stakes (1500m) at Rosehill.

Her form this time around has been encouraging with a first-up second to Rhythm In Paris in the Group Three Cockram Stakes (1200m) at Caulfield followed by a short head second to No Evidence Needed in the Group Two Let's Elope Stakes (1400m) at Flemington.

"Her form has been terrific. She was on the wrong part of the track at Caulfield and probably got too far back the other day at Flemington and should have got going a bit earlier," Zahra said.

"It looks like she's in with a big chance."

Top jockey Craig Williams, who has ridden Response at her past four starts, is after his third win in the race having won on Barely A Moment in 2005 and Rewaaya in 2006.