Walter Smith expressed disappointment that a series of missed chances cost Rangers victory over Valencia in their Champions League Group C clash at Ibrox.
Midfielder Maurice Edu put the Scottish champions ahead before the break with a header from a Vladimir Weiss corner then bizarrely put through his own net a minute after the restart.
The Ibrox men have five points from three games ahead of the return game in Spain but it could have been more if Kenny Miller, Steven Naismith and Richard Foster had not missed great chances.
The Rangers boss said: "We have to be pleased that we managed to do that against a team who challenge you to go forward.
"We did that well for the last hour of the game and we feel disappointed that, with the chances we created, we maybe didn't take the three points. That happens in football, it is one of those things."
He added: "After the first 15 minutes or so when we were slow to start, we created the first real opportunity of the game.
"We created quite a number of clear cut opportunities and in fairness to Valencia, they too had a few opportunities to score but over the piece ours were maybe the more clear cut
"We have had good finishing in our domestic games when the opportunities have come along so it was an unfortunate evening in that sense."
Valencia trail Rangers by a point but after only picking up two points in a disastrous Champions League campaign last season, Smith was cautious about predicting the return game in Spain would see the winners joining group leaders Manchester United in the knockout stages.
However, he admitted his side have "an opportunity" to progress.
Smith said: "There is not a great margin of error in the Champions League. In the last seconds they had opportunity and we had an opportunity.
"We are obviously in better spirits this season, the challenge is to see if we can get more points in the board but it will be a difficult task for us. In the position that both the clubs are in, it's going to be a big match but I prefer to look at the three matches that we have remaining."
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