I Cavalieri Prato 3 Newport Gwent Dragons 33
The Dragons secured a vital away bonus point as they beat Italian side I Cavalieri Prato at the Stadio Lungobisenzio.
The Welsh region ran out comfortable winners, crossing for five tries. Wings Aled Brew and Tonderai Chavhanga, lock Robert Sidoli, flanker Lewis Evans and full back Martyn Thomas all touched down for tries against an Italian outfit which had won its last four games in the Italian championship.
Fly-half Jason Tovey, who was named man of the match, produced another impressive performance and slotted over four of his side's five conversions to give the Men of Gwent a perfect start to their Euro campaign.
Brew and Sidoli crossed for early tries but the home side made a decent fist of things against the Welsh side in a tight first half which ended 3 v 14.
South African flyer Chavhanga, Evans and Thomas then all touched down ina much more one-sided second periods.
Femi-CZ Rovigo 10 v 43 Bayonne
Bayonne scored six tries on the way to recording a 43 v 10 away victory over Rovigo in Northern Italy.
French International centre Thibault Lacroix opened the scoring the first of his two tries after six minutes. Bayonne skipper Benjamin Boyet added the conversion and then a penalty three minutes later.
Cedric Heymans then grabbed his side's second score which Boyet also converted before German Bustos scored Rovigo's only points of the half with a penalty of his own. HT 3 v 17
It was the hosts who started the brighter in the second period with lock Tommaso Reato touching down after 43 minutes.
From that point on though it was one-way traffic as the French side scored a further four tries. Jean Jospeh Marmouyet grabbed the first before Lacroix helped himself to his second score of the afternoon.
All Black legend Joe Rokocoko scored his first try in European rugby before Marmouyet's second.
Newcastle Falcons 27 v 19 Lyon Rugby
Two tries from Falcons second-row Tim Swinson was the main difference between the sides at Kingston Park this afternoon.
Jeremy Manning opened the scoring with a penalty after three minutes and Lyon then responded in like with Eric Tonamichel kicking three points of his own.
Swimson then crossed for the first of his tries before Manning extended the Falcons lead with a second penalty.
Tonamichel kicked two quick penalties to bring the scores to 11 v 9 but Swinson's second score right on the stroke of half-time gave his side some much needed breathing space.
Jordi Pasqualin struck first in the second half before Nicolas Bontinick responded with Lyon's first European score three minutes later. Tonamichel added the extras before Romain Loursac took over the kicking duties and the replacement further narrowed the deficit with a 61st minute penalty.
It was Newcastle who controlled last ten minute and two more penalties form the boot of Manning saw them home safe and denied the visitors a losing bonus-point.
La Vila 10 v 50 Agen Rugby
Agen scored eight tries on the way to completing a 50 v 10 victory over Amlin Challenge Cup debutants La Vila in Spain.
The visitors got off to an ideal start scoring two tries in the opening four minutes through wingers Sylvere Tian and Leka Tagotago.
Nicolas McCashin scored La Vila's first European points in front of a 2,000 strong crowd in Spain but the action from there on in was dominated by the French side.
Lisiate Fa'aoso and Dewald Senekal both grabbed tries for the visitors before the break, both of which were converted by Valentin Courrent.
Tian grabbed his second and then third try in quick succession after the interval before Jalil Narjissi scored Agen's seventh.
Kevin Swiryn was next to score, before to the delight of the home support La Vila scored their first try, James Knight touching down in the 77th minute.
Brive 26 v 18 Sale Sharks
Last season's quarter-finalists Brive beat former Amlin Challenge Cup Champions 26 v 18 Sale Sharks in France this evening.
The hosts soon raced into a 10 v 3 lead thanks to a try from Scott Speeding and five points from the boot of Riaan Swanepeol. Nick MacLeod kicked Sale's opening points.
Swanepoel and MacLeod then exchanged penalties before the Brive fly-half kicked six more points to take his side into the break 19 v 6 ahead.
Mathias Atayi scored Brive's second try at the start of the second period and Swanepoel once again converted to stretch his side's lead.
Sale threw everything at the hosts in the final quarter and got the breakthrough they had been looking for when Tom Brady touched down. The visitors also scored a late try through Johnny Leota which MacLeod converted but it just wasn't enough for the English side on the night.
Bordeaux Begles 14 v 47 London Wasps
Former Heineken Cup and Amlin Challenge Cup Champions London Wasps got their 2011/12 campaign off to a flying start, scoring 6 tries as they beat Bordeaux Begles 14 v 47.
Christian Wade helped himself to a hat-trick inside the first 24minutes as they raced into an early lead at Stade Chaban-Delmas.
Wade scored his first try after only a minute. Nicky Robinson missed the conversion but made up for it with a penalty eight minutes later.
Felix Le Bourhis grabbed a try back for the hosts but after that it was one-way traffic until the break with Wade adding two more tries and replacement Dom Waldouck also scoring.
Two sin-bins, one either side of the break hurt the visitors and Bordeaux made them pay with Thierry Brana scoring early in the second half.
Normal service was resumed for Dai Young's side on 55 minutes with Tom Varndell going over for Wasps' fifth score.
Robinson kicked two more penalties to stretch Wasps lead and then Nic Berry had the final word with a try just before the full-time whistle.