United Rugby Championship
- Cardiff Arms Park
- Sam Grove-White
Finished
Cardiff Rugby
LLWLW
8 - 7
Leinster
WLLWW
Cardiff Rugby
Starting 15
- 1. Rhys Barratt
- 2. Liam Belcher
- 3. Javan Sebastian
- 4. Josh Mcnally
- 5. George Nott
- 6. Alun Lawrence
- 7. Daniel Thomas
- 8. Taine Basham
- 9. Aled Davies
- 10. Callum Sheedy
- 11. Mason Grady
- 12. Ben Thomas
- 13. Harri Millard
- 14. Jacob Beetham
- 15. Cameron Winnett
Substitutes
- 16. Dafydd Hughes
- 17. Danny Southworth
- 18. Kieron Assiratti
- 19. Rory Thornton
- 20. Evan Rees
- 21. Johan Mulder
- 22. Ioan Lloyd
- 23. Tom Bowen
Leinster
Starting 15
- 1. Jerry Cahir
- 2. John Mckee
- 3. Andrew Sparrow
- 4. Alan Spicer
- 5. Brian Deeny
- 6. Max Deegan
- 7. Scott Penny
- 8. James Culhane
- 9. Fintan Gunne
- 10. Harry Byrne
- 11. Ruben Moloney
- 12. Robbie Henshaw
- 13. Rieko Ioane
- 14. Joshua Kenny
- 15. Jimmy O'Brien
Substitutes
- 16. Gus Mccarthy
- 17. Alex Usanov
- 18. Rabah Slimani
- 19. RG Snyman
- 20. Ericson Josh
- 21. Luke McGrath
- 22. Charlie Tector
- 23. Andrew Osborne