A breakthrough 2022-23 season just keeps getting better and better for He’s A Doozy (NZ) (Zacinto), who scored his first Group One triumph in Saturday’s $300,000 Harcourts Thorndon Mile (1600m) at Trentham.

The 15 day turnaround between Kiwi galloper Lightning Jack’s local debut and the Group 3 $160,000 Schweppes Summer Cup (2000m) at Randwick is the only variable trainer Annabel Neasham isn’t sure about as he chases back-to-back wins on Sunday.

Champion trainer Chris Waller will be hoping Christmas comes a day later as he lines up a strong team in Sunday’s Group 3 Summer Cup at Randwick.

Randwick litmus test for Annabel Neasham-trained duo.