"We were extremely proud of Amanda when she was selected for the Commonwealth Games as it had been a long-term goal of hers for a number of years, so to be here to watch her is better than we had imagined it would be.
"The weather is brilliant and warm and the people of Glasgow are amazing. They are so friendly and helpful."
In other quarter-final action, men's pair Lance Beddoes and Paul Coll lost to Englishmen Daryl Selby and James Willstrop in three sets.
Joelle King and Martin Knight, who won silver four years ago, beat Indian pair Harinder Pal Sandhu and Joshana Chinappa 11-7, 8-11, 11-6 to advance to the semifinals.
Landers-Murphy and squash partner Joelle King lost their women's doubles quarterfinal match yesterday morning (NZT) to India's Dipika Pallikal and Joshana Chinappa 2-0 (11-9, 11-5).
Wharehoka said watching King win a bronze medal in the singles was a great moment.