Taieri scored three tries in beating Alhambra-Union at Peter Johnstone Park, but it will need to brush up its play to beat University A in the semifinal.
Dunedin was hamstrung by the removal of the scrum in its 20-22 loss to Taieri at Forsyth Barr Stadium.
Hayden Parker and Ben Nowell ignited a dominant display from the backline for Taieri to record a convincing victory at Bathgate Park.
Midfield back Kori Rupene sparked Taieri's nine-try scoring spree at Peter Johnstone Park when he broke through the centre and scored the first try midway through the first spell.
Michael Collins was the rock in the Taieri midfield and Charlie O'Connell the hard nut in the pack that eventually wore down the Kaikorai resistance at Bishopscourt.
Green Island squandered an early advantage to succumb to a more disciplined Taieri side at Peter Johnstone Park.
Inside back Ben Nowell displayed courage under fire and explosive pace to become a major contributor to Taieri's win at Hancock Park.
Taieri beat Green Island at Miller Park because of the superior structure of its game and by the ability of its backline to attack from all parts of the paddock.
Taieri's goal-kicking woes continued as it struggled to beat Pirates 25-3 at Peter Johnstone Park.
Taieri scored six tries and 36 unanswered points in a productive 35 minutes at Peter Johnstone Park to beat Kaikorai.
First five-eighth Andrew Reid played a dominant role when Taieri scored seven tries to beat Zingari-Richmond at Peter Johnstone Park.
First five-eighth Andrew Reid returned from his injury break to kick seven goals and score 18 of Taieri's points when it beat Pirates 38-14 to move into second place.
Taieri regrouped after halftime to shut down a rampant Green Island to then win the battle of Saddle Hill 23-10 at Peter Johnstone Park.
Taieri held on to beat Dunedin at Peter Johnstone Park despite a strong rearguard action by Dunedin in the second spell.
Andrew Reid scored 20 points to bring up 100 for the season and help secure victory for Taieri in a tight encounter at Bishopscourt.
Lock Matt Larson dominated the lineout and supplied Taieri with a monopoly of ball in the second half at Montecillo.
Left wing Tom Davie was in electrifying form when he scored three tries to help Taieri outclass Alhambra-Union 33-0 at the North Ground.
Green Island will be rueing the absence of an accurate goal-kicker after it allowed Taieri to stumble to a 14-12 victory at Miller Park and retain the Bezett Trophy and Robb Cup.
The dominant Southern pack got the better of Taieri and paved the way for a win in a niggly game at Bathgate Park.
Taieri came out firing to score three tries in the first 15 minutes to set up a big win at Peter Johnstone Park.