The New Zealand international was rewarded for his performance against the Central Coast Mariners, where he scored two goals and claimed two assists in the 8-2 win in Gosford on Saturday.
Singh has been named in the team alongside some of the biggest names in football, including Manchester City's Raheem Sterling and Bayern Munich's James Rodriguez.
The 20-year-old was given a 75 rating (out of 100) and his player card is only available for a week.
He is the second Phoenix player to be selected this season - Roy Krishna was included after bagging a brace in a 3-2 win, also against bottom-of-the-table Mariners.
The Phoenix climbed to fourth on the A-League standings with their win against the Mariners and face the Western Sydney Wanderers in their next match on Sunday.