The challenges could come from anywhere, with Travelling Light and Packing Rockstar the main contenders.
The Vodafone NZ derby winner Rocket Spade lines up in Race 3, the Snow Williams Bayleys Country 3YO.
The O'Sullivan/Scott trained colt has already notched up four wins in his short career.
Meanwhile, the two other feature races, The Triton Pacific Owens Plate, where local trainer Peter Huxtable has Come Back Tiger entered, and the J Swap Contractors BOP Cup have quality fields ready to start.
Before Covid-19, representatives from the Japan Racing Association would travel to Tauranga with the large silver trophy to present to the race winner, but they are unable to travel so the Ambassador of Japan His Excellence Koichi Ito is flying up from Wellington for the day.
The Tauranga Intermediate School Kapahaka Group will perform the powhiri. Millie Beech, a 13-year-old student from Ōtūmoetai College, will sing both the anthems of Japan and New Zealand.
The Tauranga Crossing Fashions in the Field competition will also run, with more than $6000 in prizes. Entries are taken on the day.
The race meeting gets under way at 12.23pm and entry is free.