Postpublished at 18:21 British Summer Time 12 April
18:21 BST 12 April
HT: Ospreys 10-13 Lyon
Gareth Griffiths BBC Sport Wales at Swansea.com Stadium
Ospreys will be hoping they will not be left to rue that baffling decision at the end of the first half when they had the opportunity of a scrum under the Lyon posts but opted instead for a line-out.
This in a half where Ospreys have dominated the scrum and gained two penalties.
Lyon hold a three-point interval lead when it is the Ospreys who have played most of the rugby.
Ospreys head coach Mark Jones will be hoping the amount of tackles Lyon have made in that first half will take its toll.
After a scrappy start this has developed into a really good contest.
Lyon are the latest to go on the attack, but Jac Morgan - who just scored a try - shows what he can do on defence as well with a brilliantly timed jackal.