Gloucester opened their Champions Cup campaign with a thrilling 36-36 draw against holders Bordeaux at Kingsholm Stadium.
George Skivington's side led 24-17 at half-time. Martin Page-Relo opened the scoring for Bordeaux in the fourth minute, but Arthur Clark replied immediately for Gloucester. Tries by Max Llewellyn and George Barton, either side of Sipili Falatea's effort, gave the hosts a seven-point advantage at the break, with Barton adding three conversions.
Pablo Uberti levelled for Bordeaux six minutes into the second period before Will Trenholm crashed over twice to put Gloucester ahead. However, a double by Louis Bielle-Biarrey, who levelled in the 62nd minute, salvaged a share of the spoils for the French visitors. Despite plenty of territory, neither side could find a winning score.
In the Challenge Cup, Dragons opened their continental campaign with a 29-14 victory over Perpignan at Rodney Parade, scoring four tries. Jared Rosser crossed in the fourth minute, but Perpignan led at the break after Tristan Tedder converted Jules Coulon's try. Aneurin Owen and Posolo Tuilagi traded tries before De Beer's penalty put Dragons back in front, and late scores from Anzelo Tuitavuki and Fetuli Paea sealed the win.
Edinburgh suffered a 27-17 defeat against Toulon in their opener, with Malvyn Jaminet scoring 22 points for the French visitors.