Two weeks after squaring off in a Round 14 clash, fearsome rivals Leinster and Munster will face off again, with the winner heading to the Pro 14 final.
Leinster have made 12 changes to their starting line up from their 28-10 victory over Ulster last week.
Johnny Sexton returns to the side as captain, while the centre pairing of Garry Ringorose and Robbie Henshaw also return.
Elsewhere the likes of James Lowe, Luke McGrath, Cian Healy and Scott Fardy all return to the team.
Here is the lineup for tonight's #GuinnessPRO14 semi-final against Munster. 🙌😍#LEIvMUN #LeinsterRugby pic.twitter.com/kPzoKVDLlZ
— Leinster Rugby (@leinsterrugby) September 4, 2020
Munster meanwhile have only made three changes to their starting lineup from last week's win against Connacht.
Billy Holland returns to the squad as the five while Tadhg Beirne moves over to four.
The only other changes is Jack O'Donoghue who replaces Chris Cloete at 7.
The 23 Munster men selected for tonight's #GuinnessPRO14 semi-final 🔴🔴🔴
Find out all you need to know ahead of #LEIvMUN ⤵️#SUAF
— Munster Rugby (@Munsterrugby) September 4, 2020
Leinster v Munster is being broadcast on eir Sport, with coverage starting at 7pm. They also announced that people can watch the game on Eir's Facebook page with kick off 7:35pm. Deferred coverage is also available on TG4 from 9.45pm
The other semi-final sees Edinburgh take on Ulster at BT Murrayfield on Saturday night.
Ulster have made three changes to their side from last week as Billy Burns, Louis Ludik and Alan O'Connor return to the squad for the semi-final.
The game is also being broadcast on eir Sport, with coverage starting at 6.45pm. Deferred coverage on TG4 starts at 9.35pm.
📋 🅃🄴🄰🄼 🄽🄴🅆🅂
Ulster make 3 changes for tomorrow night’s @PRO14Official semi-final against @EdinburghRugby at BT Murrayfield.
📺 Watch live on @PremierSportsTV, kick-off 7.35pm.#SUFTUM 🔴⚪️ #GuinnessPRO14 #EDIvULS
— Ulster Rugby (@UlsterRugby) September 4, 2020