Connacht 22-9 Munster - Connacht end five-game losing run
Leinster 21-22 Ulster - Ulster secure dramatic win at RDS
Leinster 14-19 Ulster
Leinster the first to threaten in the second period, driving into Ulster's 22, but the hosts are struggling to find their kicking accuracy.
Over-kicks from Jamison Gibson-Park and Sam Prendergast are easily caught by Jacob Stockdale in the back-field.
Leinster 14-19 Ulster
Some early handling errors from either side.
The rain may be easing but still a lot of surface water out there.
Leinster 14-19 Ulster
We're back underway at the RDS.
We mentioned that 38-29 win for Leinster in December 2022.
Refresh your memory with the highlights from a game that featured nine tries, a red card and a big comeback.
Nine tries & a red card - Leinster beat Ulster in thriller
HT: Leinster 14-19 Ulster
That's the half, as Ulster turn over the ball in their own 22.
What a half of rugby it's been.
If we thought the weather was going to lead to a stodgy affair how wrong we were!
Tries galore. Nick Timoney and Jacob Stockdale giving the visitors a surprise lead, before Cian Healy and Rob Russell hit back.
However, Ulster bit back late on with the superb Billy Burns feeding Timoney for the No.8's second of the night.
Leinster 14-19 Ulster
That is Timoney's fifth try in his last three games, what a threat the Leinster-native is for Ulster.
Nick Timoney (36 mins)
Mercurial stuff from Billy Burns yet again.
Ulster apply the pressure in the Leinster 22 before the fly-half kicks out wide left, and that man Timoney gathers the perfectly weighted kick to drop over the line, fantastic.
John Cooney with a superb in-swinging conversion.
Leinster 14-12 Ulster
Ulster look like may lose the ball in midfield but Billy Burns again with an excellent kick into the corner.
Leinster win the lineout though and clear.
Entertaining game so far.
Leinster 14-12 Ulster
Ulster's first foray into the Leinster 22 in over 10 minutes now.
Leinster 14-12 Ulster
Big turnover for Ulster when they have their backs against the wall.
Iain Henderson with a trademark choke-tackle to win a turnover scrum.
The visitors then win a penalty from the resulting scrum from a Cian Healy infringement.
Cleared to halfway.
Rob Russell (24 mins)
This time it counts.
Ulster defending bravely but there was an inevitability about that one.
After numerous phases a chip kick through comes back off the posts and Leinster regather to spread the ball wide left via Tommy O'Brien, who finds Russell, who skids over.
Sam Prendergast with an excellent conversion from the left touchline to give Leinster the lead for the first time.
Image source, Getty ImagesLeinster 7-12 Ulster
More pressure from Leinster, who are really turning the screw now.
Endless waves of attacks. Cian Healy is held up over the line.
Memories of last year when Ulster blew a big lead to lose 38-29 at this venue.
Leinster 7-12 Ulster
Will Connors thought he was over for another Leinster try, but the TMO calls an obstruction and it's scrubbed off.
Cian Healy (12 mins)
My goodness what a game!
Leinster bite back through Ireland veteran Healy.
Ruck-after-ruck sees the prop finally break the Ulster resolve.
Sam Prendergast with the extras.
Don't look away from this one!
Image source, Getty ImagesDan Sheehan celebrates Leinster's opening try
Jacob Stockdale (8 mins)
Unbelievable start for the men in white.
Stuart McCloskey with a break through the heart of the Leinster defence before being tackled.
The ball is worked left and it's Billy Burns once more with a beautiful grubber kick to the left flank and Stockdale is on hand to scoop up and canter over the line.
John Cooney can't manage to hit the target from the tee.
Nick Timoney (5 mins)
What a start for Ulster!
The visitors work the ball from a lineout at halfway before Billy Burns plays a lovely chip over the top which is gathered by an on-rushing Nick Timoney, who races home from 30-metres. Clinical.
John Cooney with the extras.
Image source, Inpho
Image source, Getty ImagesLeinster 0-0 Ulster
Quite a statement in Ulster's first scrum of the night.
Steven Kitshoff demolishes Thomas Clarkson
Leinster 0-0 Ulster
Rob Baloucoune the first to suffer from the conditions, spilling an up-and-under. Scrum Leinster at halfway.
Leinster 0-0 Ulster
Sam Prendergast kicks long for Leinster to get us underway at a wet and breezy RDS.
Can Ulster claim their first win over Leinster in over two years? It's time to find out.
Leinster v Ulster
The teams are about to take the pitch.
Conditions tonight are going to make this a challenging night for free-flowing rugby as the rain continues to batter Dublin.
In the crowd ponchos are the name of the game at the RDS, along with a few St.Stephen's Day pints of the black stuff.