Lamb kicks to the corner

La Rochelle go out the back and Rattez breaks down the wing. He is tackled high by Visser and Quins win a penalty

Jordaan takes it up in the centre

Penalty to La Rochelle and Lamb kicks to touch

Smith kicks us off and Quins win it back. They immediately go on the attack

Hello and welcome to Ultimate Rugby's live coverage of this Champions Cup clash between Harlequins and La Rochelle at Twickenham Stoop. Quins' form of late has been mixed, winning three of their last five games and they will be keen to make a positive start to their European campaign this afternoon. La Rochelle on the other have been very impressive recently, winning four of their last five and will be hoping to carry that winning form into today's fixture. Stay tuned for live commentary and score updates ahead of what promises to be a cracker!