Morgan Parra kicked 16 points but Clermont Auvergne survived a late scare against Harlequins to progress in the European Challenge Cup.
La Rochelle progressed to the European Challenge Cup final for the first time as they edged past Sale Sharks in the last four.
After the controversy surrounding his support for Israel Folau, Billy Vunipola declared himself "grateful" to be playing for Saracens.
Thomas Banks' second-half try, converted by Christian Lealiifano, secured the Brumbies a 19-17 victory over the Stormers.
Michael Rhodes and Billy Vunipola scored tries but Owen Farrell's 22 points from the tee were key for Saracens against Munster.
Kurtley Beale started at full-back in place of Israel Folau and the Waratahs showed great spirit to overcome the Rebels at the SCG.
Franck Azema will become the longest-serving coach in Clermont Auvergne's history if he sees out a new deal until 2023.