"I've been playing in New Zealand for 10 years now and my previous best in the singles at North Islands was a quarter-final exit last year. Up until last weekend I had always struggled for consistency," Garnett recalled.
"Everyone knows about Harry ... he is still a tough customer no matter what version of cue sports he is playing," Garnett said referring to Haenga who is a former national snooker champion and a six-time winner of the former Heretaunga Classic snooker tournament which used to be played in Hawke's Bay.
"Harry plays a lot more 8-ball these days because it is more social and there is more money to be won," Garnett said.
The 2017 singles champion, Wells was eliminated in the last 16 last weekend by Elvin. Before the North Island double Garnett's previous career highlight was winning the $5000 first prize at the Levin Classic in 2016.
Despite his success, Taradale Club's Garnett, who started playing in Britain as a 12-year-old, said he still has a couple of major work-ons.
"One is finding enough time to play and the other is my break. You have a bad break in 8-ball and you lose ... simple as that."
In the wake of the North Island double Garnett knows he will be a highly sought after scalp at the Christchurch-hosted nationals in October where he will again play with Wells in the doubles. Later this month he will tackle the first qualifying tournament for the national Super League in Tokoroa.
The final weekend of the Super League will be played in Christchurch before the national championships. Garnett is looking forward to the Taradale Club's inaugural open singles event to be played on June 16 and 17.
"Some big names including former national and North Island champions have entered. It's going to be good to have a quality event like that in the Bay," Garnett said.