LA CORUNA, October 2 (Primera Liga) - Deportivo La Coruna's fine start to the season came to a shuddering halt on Sunday as Osasuna left the Riazor with an impressive win.
Deportivo could have moved up to third with three points, which would have also confirmed the club are back on an upward curve following the appointment of Joaquin Caparros as coach over the summer.
But the Pamplona-based visitors, themselves in a good run of form, stole victory thanks to Inaki Munoz's 19th-minute strike.
Caparros' men started brightly and almost moved ahead in the third minute when Martin Ruben Castro's left-footed shot crashed back off the post.
Osasuna were living dangerously and they almost contributed to their own downfall seven minutes later.
Possession was lost in the centre of midfield, allowing Pedro Munitis the chance to burst down the left and cross for Diego Tristan but his shot flew high over the bar.
Having weathered the early storm, Osasuna struck against the run of play, Munoz seizing on a loose ball to fire in a powerful shot which home keeper Jose Molina got a hand to but was unable to keep out.
Deportivo almost hit back immediately but Joan Capdevilla's attempt to re-direct Ruben Castro's shot on target was foiled by keeper Juan Elia.
Osasuna, having spent the majority of the first half on the back foot, finished the opening 45 minutes in control.
Valmiro Valdo shot wide while Munoz fired a free-kick off target.
Their best chance to make it 2-0 came on the stroke of the whistle when experienced striker Savo Milosevic burst into the area but Molina made a fine, smothering save.
Ruben Castro was arguably Deportivo's most creative player and the 24-year-old set up another chance for Munitis after 59 minutes but the former Real Madrid winger shot inches wide of the right-hand post.
Osasuna were sitting back and inviting pressure from Deportivo and they were almost made to pay when Tristan lashed in a 68th-minute shot which flew just over Elia's bar.
Despite dominating possession, Depor were starting to run out of ideas in the final third and Osasuna sensed that and started to come out of their shell.
Milosevic threatened again with a run and shot which required the Depor defence to smuggle the ball clear.
The hosts mustered one final effort which fell to Sebastian Taborda in injury-time.
Ruben Castro set up the substitute but Elia kept the ball out to hand Osasuna their first away win of the season.