Great Australian GSM Challenge

The inaugural Winetitles Great Australian Grenache, Shiraz, Mourvèdre/Mataro Challenge (GSM) Chaired by Tahbilk Group Director, Alister Purbrick AM; is a unique opportunity for Australia’s premier red winemakers to showcase their blending skills and benchmark regional points of difference between these three varieties.

Nationally and Internationally, Grenache, Shiraz and Mourvèdre/Mataro blends are gaining in popularity; the Challenge for Australian Winemakers is to effectively promote this unique offering and ensure Consumers around the World discover the superb quality of the Australian version.

“I commend the inaugural Winetitles Great Australian GSM Challenge to you as an important Australian wine industry initiative; whilst Shiraz is still at the forefront of Domestic and International red wine sales, I believe the GSM category will continue to grow and gain popularity with consumers around World due to regional diversity and stylistic points of difference.”

Alister Purbrick AM
Chairman: The Great Australian GSM Challenge.

2025 Great Australian GSM Challenge Diary Dates:

Call for entries / online live

Monday 4th August

Entries close

Friday 12th September

Judging

Tuesday 30th September-Thursday 2nd October

Awards / Online Reveal

Online announcement: Monday 3rd November

Rows of wine glasses with a small amount of red wine in each, sitting on thin tables between black lines marked on white paper. Each glass has a number on the table. Tables blur into the distance.