The Warriors were in a class of their own, with Franco Smith’s men dominating in the set-piece and with ball in hand.
The Tigers earned the first scrum of the match within 40 seconds after the kick-off and earned the penalty thanks to Dan Cole.
Handré Pollard opted for the corner as Leicester Tigers formed a powerful maul and was stopped just short of the line before Ollie Cracknell dotted down for the opening try in the third minute. Pollard missed the conversion.
Glasgow earned a penalty immediately off the restart and decided to roll the dice as well to go for the corner.
The hosts earned another penalty and went for the line-out again.
The possession wasn’t clean, but there was a third penalty against Leicester, this time for offside as the Warriors took the tap penalty.
The Tigers defended ferociously to push the hosts back and forced the error as Henco Venter knocked the ball on.
The clearance kick, however, didn’t find touch as Glasgow came back at the Tigers again, and Leicester conceded another penalty in the red zone.
Glasgow formed a powerful maul, but the Tigers repelled it successfully.
A deliberate knock-on by Jack van Poortvliet resulted in a yellow card as there was a line break opportunity for the hosts and they went for the line-out again in the 13th minute.
The line-out went over the top, but amongst the chao,s Henco Venter found the gap and went over next to the posts to open Glasgow’s account as Hastings slotted the conversion to take the lead in the 15th minute.
The Tigers had a defensive scrum, but Glasgow earned a tighthead and flank Sione Vailanu powered his way over to extend the hosts’ lead in the 19th minute, which Hastings converted.
The referee consulted the TMO for potential foul play against the Tigers, but it was deemed as a rugby incident as the Glasgow player was falling, and Emeka Ilione attempted to wrap in the tackle.
Glasgow earned a scrum penalty and went for the line-out and earned another penalty.
Referee Craig Evans warned Leicester captain Hanro Liebenberg for repeated infringements in the red zone.
The hosts went to the corner again but the Tigers did well to push the maul into touch and save the day.
Glasgow continued to dominate territory and possession but was unable to convert it into points.
The Warriors earned a breakdown penalty on the stroke of half-time and went for the line-out inside the Tiger’s 22 metre area.
They launched a final onslaught before the break, and a breakdown infringement by Cameron Henderson inside the red zone saw him yellow-carded two minutes into referee’s time.
Adam Hastings slotted the penalty goal to extend the Warriors’ lead as they headed to the sheds for oranges.
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The second half started with a bang when Leicester lost the ball backwards and was forced to carry it back over their own line – gifting the Warriors a five-metre attacking scrum.
The pick up at the back by Henco Venter set the perfect platform for Emaka Vainalu, who dotted down for a brace in the 42nd minute. Hastings slotted the conversion.
A scrum penalty provided the Warriors with another line-out as Glasgow found space wide again.
Steyn was tackled five meters short of the line, but Adam Hastings followed up strongly to score the try, which he converted himself in the 50th minute.
Moments later, the Warriors almost certainly sealed their place in the quarterfinals when a line break Glasgow saw George Horne go in under the bar as Hastings converted to edge a 31-point lead with 30 minutes to go.
Leicester earned a penalty deep inside Glasgow’s 22-metre area and opted for the tap penalty.
They earned another penalty for offside as Van Poortvliet put Solomone Kata into a gap to score in the 56th minute. Pollard converted the try.
The Tigers had an opportunity to close the gap as Freddie Steward had a line break but the final pass couldn’t go to hand as Dan Kelly knocked it on.
Glasgow looked set to strike the killer blow in the 65th minute before an interception by Jamie Dobie who didn’t have the legs but got the cross-field kick away to Dan Kelly.
Dan Kelly found Ollie Hassel-Collins as the Tigers earned a penalty and went with the tap, and Hanro Liebenberg went over to reduce the deficit.
Pollard’s conversion made it a 19-point game with 12 minutes to go.
Glasgow earned a scrum penalty on a Tigers feed in the 72nd minute and went for the corner.
They formed a maul and earned another penalty for a side entry.
They broke away from the maul, and Henco Venter bagged a brace to ensure the Warriors head into the quarterfinals of the Champions Cup. Hastings missed the conversion.
The Warriors almost put 50 points on the scoreboard when Henco Venter burst through the middle of the ruck and made a strong run.
The No.8 found Ben Afshar, who was tackled but got the ball away to Dan Kelly, who kicked it ahead but grounded the ball on the dead ball line.
The Tigers had a final attacking opportunity inside Glasgow’s 22-meter area, but Emeka Ilione knocked the ball on with 20 seconds to spare.
The Warriors won the scrum, and Ben Afshar kicked the ball dead to confirm Glasgow’s quarterfinal spot against Leinster.
Scorers
For Glasgow Warriors:
Tries: Vailanu 2, Venter 2, Hastings, Horne
Cons: Hastings 4
Pens: Hastings 2
For Leicester Tigers:
Tries: Cracknell, Kata, Liebenberg
Cons: Pollard 2
Yellow cards: Jack van Poortvliet (Leicester Tigers: Cynical – deliberate knock-on with a line break opportunity), Cameron Henderson (Leicester Tigers: team infringement – hands in the ruck)
Teams
Glasgow Warriors: 15 Kyle Rowe, 14 Jamie Dobie, 13 Stafford McDowall, 12 Tom Jordan, 11 Kyle Steyn (captain), 10 Adam Hastings, 9 George Horne, 8 Henco Venter, 7 Sione Vailanu, 6 Matt Fagerson, 5 JP du Preez, 4 Gregor Brown, 3 Zander Fagerson, 2 Johnny Matthews, 1 Nathan McBeth.
Replacements: 16 Grant Stewart, 17 Jamie Bhatti, 18 Sam Talakai, 19 Alex Samuel, 20 Euan Ferrie, 21 Rory Darge, 22 Ben Afshar, 23 Sebastian Cancelliere.
Leicester Tigers: 15 Freddie Steward, 14 Adam Radwan, 13 Dan Kelly, 12 Solomone Kata, 11 Ollie Hassell-Collins, 10 Handre Pollard, 9 Jack van Poortvliet, 8 Olly Cracknell, 7 Emeka Ilione, 6 Hanro Liebenberg (captain), 5 Harry Wells, 4 Cameron Henderson, 3 Dan Cole, 2 Finn Theobald-Thomas, 1 Nicky Smith.
Replacements: 16 Charlie Clare, 17 Archie van der Flier, 18 Will Hurd, 19 Tom Manz, 20 Finn Carnduff, 21 Ben Youngs, 22 Jamie Shillcock, 23 Joe Woodward.
Referee: Craig Evans (Wales)
Assistant referees: Ben Breakspear (Wales), Gareth Newman (Wales)
TMO: Adam Jones (Wales)