This game had plenty riding on it, with Lille still involved in a race for UCL football and Auxerre looking to avoid finishing in the relegation play-off spot.
It was the hosts who started the stronger of the two sides, as Matias Fernandez-Pardo - who was recently named in Belgium’s squad for the 2026 FIFA World Cup without making his senior international debut - forced a stop out of Donovan Léon before the visiting goalkeeper produced a more challenging save to deny Nabil Bentaleb.
However, Auxerre grew into the game and, midway through the half, they had the ball in the back of the net when Sinaly Diomandé bundled over the line after Telli Siwe’s header was kept out fantastically by Berke Özer.
That strike was ruled out for offside, yet there was nothing with Lassine Sinayoko’s goal shortly after the half-hour mark as the winger hammered in off the post from a tight angle following Özer’s stop from his initial attempt.
Lille tried to build some momentum at the start of the second period, but besides Fernandez-Pardo’s deft volley attempt that landed on the roof of the net, they struggled to create many chances, even following the introduction of veteran striker Olivier Giroud.
Auxerre, meanwhile, were happy to hold on to their narrow advantage, with that keeping them above OGC Nice and away from the play-off place.
However, at the end of normal time, Sinayoko broke free, and coolly chipped over Özer to send the travelling contingent into raptures.
In the end, this was a result that suited all involved. Lille did see their 13-game unbeaten come to an end, but defeats for Lyon and Rennes means a return to Europe’s elite is more than a consolation.
Meanwhile, Auxerre’s third straight victory - which they achieved for the first time this term - means they will play in Ligue 1 for a third consecutive campaign in 2026/27.
Flashscore Man of the Match: Lassine Sinayoko (Auxerre)