Wairarapa came from behind to beat Bush by the narrowest of margins, 20-19, at Pahiatua yesterday.
The game was played in front of a good-sized crowd in dry conditions, although it was slippery underfoot.
Wairarapa pressed from the first whistle and were rewarded for their early endeavours with an unconverted try to Tevita Isaac.
Bush hit back with two penalties from close range by fullback Jackson Clince, sandwiched between a penalty slotted by Tipene Haira for Wairarapa.
Haira then added to the Wairarapa tally by crossing for a try, which he converted. That gave Wairarapa a 15-6 lead at the break.