Portadown’s NIBA Division One visit to Lisnagarvey led to a six-point haul and success by 84-68 for the title-chasing town seniors.
A single shot divided the sides by five ends and 10 but it was level overall at 15.
Portadown pushed on, with Richard McMullan’s men up across the fixture and Dane Jordan’s four trailing by 14 before nine crucial shots towards the tally.
Sean Trainor’s four had a seven-shot lead as the foundation for victory by 10 and Aidan Corrigan’s rink produced a strong finish for a nine-shot victory.
Portadown’s midweek date with Carrick Rangers in Division One featured a thrilling fightback to maintain an unbeaten record at the Pleasure Gardens thanks to six points and the 87-77 win.
Carrick held the lead by 23 shots and on top across all four rinks by 10 ends. However, with 24 ends left to play, Portadown regrouped with counts of three, four and six to put the hosts up at the end of three rinks.
The final rink produced a crucial count of four on the penultimate end then a two to seal six points overall.
Portadown B pushed past North Down in Division Four for six points and a 91-79 win.
Four on end 20 put the teams level across rink one before great play by Andrew Millar and Eddie Corkin to steer three bowls within six inches of the jack on the final end in the 25-23 win.
On rink two, Portadown took control across the second half with wins over seven successive ends towards the 25-18 win.
Robert Cassells’ quartet raced clear by 13-1 but the lead was cut to two before Portadown finished 27-18 in front.
The final rink had Portadown down by 15-5 before a strong finish reduced the deficit to 20-14.