Overview
- Harry Byrne struck an 83rd‑minute penalty to secure a 25-24 win at the Aviva Stadium after La Rochelle had edged in front late.
- Champions Cup debutant JJ Kenny scored two early tries as Leinster raced into a 12-0 lead.
- La Rochelle retook the lead 24-22 through Ihaia West’s second try and Nolann Le Garrec’s touchline conversion with three minutes remaining.
- The victory leaves Leinster three from three at the top of Pool 3 and qualified for the last 16 before a final pool trip to Bayonne.
- Round 3 also saw Bristol beat the Bulls 61-49 to qualify, Sale top the Sharks 26-10 to advance, and Glasgow defeat Clermont 33-21 to progress as Clermont were eliminated.