Sundees Son captured his third Group 3 Ordeal Trotting Cup at Addington on Friday night.
The son of Majestic Son began well from the stand, before advancing around the field to take up the running.
He then sprinted home in 55.9 and 28.3 to win.
Majestic Lavros finished second to make it a Majestic Son quinella.
Bred and raced by Colin Hair, Sundees Son continues to hold the title of the best trotter in the Southern Hemisphere.
Majestic Son is once again the leading trotting sire in both New Zealand and Australia.
He is available this season for $5,000 (plus GST) in NZ and $5,500 (incl GST) in Australia.