Ulster, who were whitewashed 39-0 at Sale Sharks last weekend, earned two bonus points thanks to a storming second-half comeback, which brought them all of their 29 points after they had gone in at half-time 29-0 down.

Fly-half Antoine Hastoy was the holders’ star with 26 points via a try, three conversions and five penalties. Brice Dulin and Pierre Bourgarit also touched down for La Rochelle.

As for Ulster, Iain Henderson, John Cooney, Duane Vermeulen and Tom Stewart all scored tries in the second half, with Cooney converting three and kicking a crucial penalty with the clock in the red.

After the tie had been switched to Dublin due to an unfit Kingspan Stadium pitch in Belfast, the tone of the first half was set early on, with La Rochelle happy to go for the posts to punish Ulster’s lack of discipline whenever a penalty was in kicking distance.

By the 24th minute the French side were 12-0 up, with Hastoy kicking four penalties, and then with Ulster captain Henderson in the sin bin, they notched the first try of the game when Hastoy kicked the ball through the Ulster defence to set up Dulin.

Hastoy added another penalty in the 38th minute and a minute later chipped the Ulster defence and touched down when John Cooney couldn’t get the ball under control. Hastoy improved his own try to leave the visitors coasting at the break.

The second half was a different story from the start, with Henderson finishing a good move from a tap-and-go five metres from the La Rochelle line and Cooney converting to put Ulster on the board.

However, the French side responded on 52 minutes, with a messy La Rochelle lineout ending with Bourgarit emerging with the ball and crossing for a try that Hastoy improved.

Ulster hit back, though, in the 59th minute, when scrum-half Cooney finished and converted another well-worked try after the home team went through the phases.

La Rochelle centre Jonathan Danty was yellow-carded in the process and Ulster No.8 Vermeulen capitalised, sprinting down the wing to reach a crosskick and dot it down.

That's more like it from @UlsterRugby 👏

Stuart McCloskey spots Duane Vermeulen on the wing and the South African is able to apply the crucial touch.#HeinekenChampionsCup pic.twitter.com/FikDWn5ymw

— Rugby on BT Sport (@btsportrugby) December 17, 2022

Hooker Stewart then notched the vital fourth try for Ulster to secure their first bonus point in the 74th minute, before Cooney kicked a penalty in the dying seconds to snatch a second bons point.

Ulster’s next Heineken Champions Cup game will see them travel to France for the reverse fixture against La Rochelle on January 14.