The match kicks off on Sunday morning (AEST) and the 35-year-old must be back in Sydney by Monday (AEST) for training.
Wests Tigers have a bye this weekend and will play their next match against Canberra on Friday, June 7.
Farah is a lifelong Liverpool fan and has a 'YNWA' (You'll Never Walk Alone) tattoo.
The Tigers are currently in 10th position on the NRL ladder.
