Adam Casey in Jordan with the Olyroos

Canberra's Adam Casey is in Jordan for tonights vital Olympic qualifier for the Olyroos.

The Qantas Under 23s require one point from the match to ensure progression to the third and final stage of qualifying which commences in August. Australia are on eight points, three ahead of Iran who host Saudi Arabia with the two matches being played simultaneously. Saudi Arabia on 12 points have already qualified while Jordan on two points are out of contention.

The third stage features 12 teams split into three groups and will be held from August 22 - November 21, with only the three group winners representing Asia at the Beijing Olympic Games.

Kristian Sarkies and Leigh Broxham are both unavailable due to a mystery bug.

The 19-man squad in Jordan is:

Leigh Broxham (Melbourne Victory), Nathan Burns (Adelaide United), Adam Casey (Sydney FC), Adam D'Apuzzo (Newcastle Jets), Bruce Djite (Adelaide United), Aaron Downes (Chesterfield, England), Ersan Gulum (Vestel Manisaspor, Turkey), Troy Hearfield (Newcastle Jets), Neil Kilkenny (Birmingham City, England), Adrian Leijer (Melbourne Victory), Trent McClenahan (Hereford United, England), Mark Milligan (Sydney FC), Kristian Sarkies (Adelaide United), Tando Velaphi (Perth Glory), Dario Vidosic (Queensland Roar), Danny Vukovic (Central Coast Mariners), Nick Ward (QPR, England), David Williams (Brondby, Denmark), Ruben Zadkovich (Sydney FC)