Laois enjoyed an impressive win over Carlow while there were defeats for Offaly and Westmeath.
Laois got their Leinster Under 20 Football Championship off to the best possible start on Tuesday evening with a comprehensive win over Carlow.
Goals from Jamie O'Brien and Killian Byrne helped the O'Moore County on their way to a 3-8 to 0-10 win in Portlaoise.
Offaly failed to take advantage of a strong wind in the first half of their contest with Louth in Darver.
The scores were level at 1-2 each at the break, and despite battling against the breeze throughout the second half, Ken Furlong's side lost on a final scoreline of 1-11 to 2-6.
Westmeath were faced with the most daunting task of the midlands counties with a trip to Dublin.
Last year's beaten Leinster finalists ran out 1-15 to 0-6 winners.
The defending Leinster and All Ireland champions Kildare started their defence strongly.
They were seven points better than Longford, winning 1-15 to 0-11.
Elsewhere, Wicklow were 0-12 to 1-7 winners over Wexford.
Full Interview: The Down's Manager Dermot Power
St Brigid's And St Joseph's Aiming To Reach Leinster Semi-Finals
Ballinagar And Milltown To Meet In Leinster Intermediate Quarter-Final
Ronan Coffey Praises Portarlington’s Young Guns Ahead Of Leinster Quarter-Final
Mauricio Pochettino Set To Be Appointed Manchester United Manager
Darragh Murray Named In Irish Squad For Fiji Clash
Portlaoise Panthers Aiming To Bounce Back In Division One
Portarlington On The Road In Leinster
The Down's Building Towards Leinster Football Quarter-Final
Laois Provisional League Fixtures Revealed
The Harps Manager Praises His Sides Efforts In Leinster
Buccaneers Claim Back To Back AIL Wins
Kilcormac Killoughey Captain Full Of Praise For Goalkeeper
Lough Lene Gaels Suffer Late Heartbreak In Leinster Quarter-Final
Crookedwood Win Leinster Junior Camogie Title
Conor Slevin Wins Dramatic Leinster Quarter-Final For Kilcormac Killoughey
Ireland Secure Comfortable Win Over Argentina
Kilcormac Killoughey Seal Win But Heartbreak For Lough Lene Gaels And The Harps
Midlands Family Takes On Ireland’s Fittest Family Challenge