Eibar scored less than a minute into the game but went on to lose to promoted Osasuna 3-2 in the Spanish league on Monday.
Argentine midfielder Gonzalo Escalante opened the scoring for the hosts before Osasuna rallied with a pair of goals by Sergio Leon in the 29th and 32nd minutes. Sergi Enrich equalized for Eibar just before halftime, but Roberto Torres scored the winner with a 58th-minute goal in pouring rain at the Ipurua Stadium.
Osasuna claimed its first league victory this season after losing five of its first seven games. It has six points and remains 19th in the 20-team standings.
Eighth-placed Eibar is seven points behind leaders Atletico Madrid and Real Madrid.