Tau was recalled from his loan spell in Belgium this week and Albion head coach Graham Potter must decide whether to use the South Africa international from the start or from the bench.
Brighton have a few injury concerns ahead of the match with Tariq Lamptey (hamstring), Aaron Connolly (hamstring), Danny Welbeck (knee), Steven Alzate (illness) and Adam Lallana (illness) all likely to miss out.
Potter could also hand opportunities for the likes of Alexis Mac Allister and Ali Jahanbakhsh.
Scroll down and click through to see who could start for Albion at Rodney Parade.
Potter could also hand opportunities for the likes of Alexis Mac Allister and Ali Jahanbakhsh.