GLASGOW made it 13th time lucky as they recorded their first win at Swansea's Liberty Stadium, surviving a late spell with two men in the sin bin to move within two points of second-placed Ospreys in the chase for Rabodirect PRO12 play-off places.

Sean Lineen's team did the hard work early on, opening up a comfortable lead in the first half and ultimately doing enough to defend it in the second. The final minutes were anxious ones for their supporters but a delighted Lineen said: "That was fantastic; a great result against a quality side. I'm really proud of the team and the defence was outstanding.

"Our line speed in defence was good and we stopped their dangerous runners and steppers from making ground. All we need to do now is keep on winning. The play-off race is going to go right down to the wire and there are still seven teams in the hunt.

"It isn't going to get any easier, though, and we have a couple of big games coming up, including one against Aironi before the end of the Six Nations."

Ospreys' Rhys Webb set up the first opportunity of the match when his quickly-taken tap penalty from halfway sent wing Hanno Dirksen clear and it took a great covering tackle from Chris Fusaro to put him into touch.

That allowed Glasgow to put the first points on the scoreboard, with Ruaridh Jackson slotting a 13th-minute penalty off the post from 30 yards after the Ospreys No.8 Joe Bearman offended in a ruck. The response from the home side was swift as Dirksen finished off a much more difficult try chance, shrugging off a tackle by David Lemi to burst through a score under the posts when the visitors had Alex Dunbar off the field due to blood.

Dan Biggar converted but the visitors soon hit back. Ospreys wing Eli Walker was penalised for an aerial challenge and Glasgow took advantage with a driving maul from the resulting lineout that took them over the line, allowing the prop Jon Welsh to drop on the floor for the try, which Jackson converted.

Glasgow pressure led to the home side being reduced to 14 men as captain Tom Smith handled in a ruck under the posts after Dunbar had broken through the middle. Jackson kicked the penalty.

Then, just as Smith was putting his scrum cap back on to return Dunbar broke through again, with scrum-half Henry Pyrgos putting wing Colin Shaw in for a strong run through the middle for Glasgow's second try, with Jackson again converting.

Biggar slotted a penalty to reduce the deficit to 20-10 at half-time, but still it was an opening half Glasgow could be pretty pleased about. Shaw did not come back out for the second half, being replaced by Tommy Seymour, while Rob Harley came on for Calum Forrester.

Biggar added another penalty from near the halfway line to pull Ospreys back within a converted score and remind Glasgow they had to increase the tempo rather than relying on slow ball.

A mistake by Dirksen in attempting a quick 22 drop out gave Glasgow pressure on the Ospreys line. Pyrgos launched the ball into the air only for it to be knocked dead, but Warriors came back for the penalty in front of the posts, slotted by Jackson.

Biggar missed a chance to pen the visitors back in their own corner, sending a penalty touch kick too far and too straight, and a much better placed effort from Jackson put Glasgow back on the attack.

Al Kellock was then taken out dangerously in the lineout, earning Glasgow a penalty that was kicked by Jackson and home prop Ryan Bevington a yellow card.

Glasgow maintained the stranglehold, with replacement wing Seymour thinking he had spotted a gap only to be called back because of the illegal creation of that space.

There was a general melee and from that Kellock was yellow carded on a busy night for the guardians of the sin bin. They soon got busier as Glasgow went down to 13 men for the final minutes.

Ospreys put Matthew Morgan on at outside half and he sparked a fightback. Johnnie Beattie then saw yellow for a dangerous tackle on Dirksen, in a decision that was borderline but probably the right one.

The Ospreys took the lineout on the line and were boosted by Bevington's return to give them a two-man advantage. The rolling maul was predictable but effective, and the move was finished off by the replacement scrum-half Kahn Fotuali'i.

Dunbar then made a crucial interception and Glasgow were able to play out the rest of the game in the Ospreys half. Jackson had a final penalty opportunity to deny the home team a bonus point but the ball went wide.