La Rochelle broke Ulster hearts in the very final play to book a last-16 spot, while Ospreys, Saracens, Sharks and Bulls won too.
Antoine Hastoy scored 26 points as La Rochelle made it two wins from two in the Champions Cup, holding firm to beat Ulster 36-29 in Dublin.
A dramatic final-minute try by Arthur Retiere secured La Rochelle a first European Cup triumph, as they beat Leinster 24-21.
La Rochelle's Ronan O'Gara has termed his side's Champions Cup success vs Leinster as "surreal"; Johnny Sexton called the loss "devastating".
Recap all the updates from Saturday's Heineken Champions Cup final as La Rochelle beat Leinster in Marseille.
La Rochelle secured their spot in the Champions Cup final for a second successive season after claiming a 20-13 victory against Racing 92.
Leinster and La Rochelle joined Toulouse in the European Champions Cup semi-finals with wins over Leicester Tigers and Montpellier respectively.
Bristol Bears secured a narrow Champions Cup Round of 16 first leg win at Sale Sharks, while La Rochelle won well at Bordeaux-Begles.
©2023 Sky UK
