Glenavon host derby rivals Portadown in a battle for European football while Crusaders can mathematically ensure title success.
Glenavon aim to continue their winning streak against derby rivals Portadown as they try to secure a European spot.
Glentoran ask the Irish FA about the possibility of installing temporary seating at the Oval for the Irish Cup Final.
Portadown defender Chris Casement is set to miss the Irish Cup final after being hit with a six-game ban for a head-butting offence.
Linfield will play their postponed 'home' Premiership game against Crusaders at the Oval on Tuesday 21 April.
Crusaders are virtually assured of their first Irish Premiership title since 1997 after a 1-0 win away to Cliftonville.
Linfield's Irish Premiership title hopes are over after they lose 2-0 to Glenavon at the Ballymena Showgrounds.
Crusaders effectively seal a first league crown for 18 years as they beat Cliftonville and Linfield lose to Glenavon.