January |
| 17 Jan | Red, Orange & Green Ball Leinster Tour Claremont | Tennis10s | Orange | Claremont | Leinster |
| 17 Jan | Red, Orange & Green Ball Leinster Tour Meadowvale | Tennis10s | Green | Meadowvale | Leinster |
| 17 Jan | Red, Orange & Green Ball Leinster Tour Sandycove | Tennis10s | Red | Sandycove | Leinster |
| 17-18 Jan | Sutton Junior Tour 100 U12 | Junior | T100 | Dublin | Leinster |
| 24 Jan | Red, Orange & Green Leinster Tour Donabate | Tennis10s | Green | Donabate TC | Leinster |
| 24-31 Jan | Stratford T100 U12 | Junior | T100 | Dublin | Leinster |
| 24 Jan-2 Feb | Leinster Tennis Events Part 1 | Junior | T100/200 | Dublin | Leinster |
| 25 Jan | Red, Orange & Green Ball Leinster Tour Beckett Park | Tennis10s | Green | Beckett Park | Leinster |
| 25 Jan | Red, Orange & Green Ball Leinster Tour Beckett Park | Tennis10s | Orange | Beckett Park | Leinster |
| 31 Jan | Red, Orange & Green Ball Leinster Tour Ashbrook | Tennis10s | Green | Ashbrook TC | Leinster |
February |
| 1 Feb | Red, Orange & Green Ball Leinster Tour Claremont | Tennis10s | Green | Claremont | Leinster |
| 1-2 Feb | Sutton U16 T200 | Junior | T200 | Dublin | Leinster |
| 2 Feb | Red, Orange & Green Ball Leinster Tour Glasnevin | Tennis10s | Orange | Glasnevin | Leinster |
| 16 Feb | Red, Orange & Green Ball Tour Brookfield | Tennis10s | Red | Brookfield | Leinster |
| 16-18 Feb | Sutton U12 & U14 T200 | Junior | T200 | Dublin | Leinster |
| 16-19 Feb | Leinster Midterm Events Part 2 T100/ T200 | Junior | T100/ T200 | Dublin | Leinster |
| 17 Feb | Red, Orange & Green Ball Leinster Tour Brookfield | Tennis10s | Orange | Brookfield | Leinster |
| 18 Feb | Red, Orange & Green Ball Leinster Tour Brookfield | Tennis10s | Green | Brookfield | Leinster |
| 20 Feb | Red, Orange & Green Ball Leinster Tour Claremont | Tennis10s | Orange | Claremont | Leinster |
| 21 Feb | Red, Orange & Green Ball Leinster Tour DCU | Tennis10s | Red | DCU | Leinster |
| 21 Feb | Red, Orange & Green Ball Leinster Tour Sutton | Tennis10s | Green | Sutton | Leinster |
| 21-28 Feb | Leinster Events Part 3 T100/ T200 | Junior | T100/ T200 | Dublin | Leinster |
| 27 Feb-1 Mar | Kilkenny LTC Junior T200 Doubles Open | Junior | T200 | Kilkenny | Leinster |
| 28 Feb-7 Mar | Stratford T100 U14 | Junior | T100 | Dublin | Leinster |
March |
| 7 Mar | Red, Orange & Green Ball Leinster Tour Carraig | Tennis10s | Green | Carraig TC | Leinster |
| 13-16 Mar | Glasnevin T500 Open | Junior | T500 | Glasnevin | Leinster |
| 14 Mar | Red, Orange & Green Ball Leinster Tour Ashbrook | Tennis10s | Green | Ashbrook TC | Leinster |
| 14 Mar | Red, Orange & Green Ball Leinster Tour Malahide | Tennis10s | Orange | Malahide LTC | Leinster |
| 14-15 Mar | Tennis Leinster Events Part 4 Junior Tour 100 & 200 | Junior | T100 | Dublin | Leinster |
| 15-16 Mar | Glasnevin T100 | Junior | T100 | Glasnevin | Leinster |
| 21 Mar | Red, Orange & Green Ball Leinster Tour Lansdowne | Tennis10s | Green | Lansdowne LTC | Leinster |
| 22 Mar | Red, Orange & Green Ball Leinster Tour Laytown | Tennis10s | Red | Laytown/Bettystown | Leinster |
| 22 Mar | Red, Orange & Green Ball Leinster Tour Laytown | Tennis10s | Orange | Laytown/Bettystown | Leinster |
| 22 Mar | Red,Orange & Green Ball Leinster Tour Laytown | Tennis10s | Green | Laytown/Beetystown | Leinster |
| 28-29 Mar | Athlone Junior Tour 100 U16/U18 | Junior | T100 | Athlone | Leinster |
| 28 Mar-3 Apr | Brookfield Junior Tour 500 | Junior | T500 | Brookfield | Leinster |
April |
| 4-11 Apr | Forvis Mazars Templeogue Junior Tour 1250 Open 2026 | Junior | T1250 | Templeogue | Leinster |
| 7-9 Apr | Kilkenny LTC Easter Junior Tour 200 | Junior | T200 | Kilkenny | Leinster |
| 9-10 Apr | Tennis Leinster April Events | Junior | T200 | Dublin | Leinster |
| 9-11 Apr | Donabate Junior Tour 200 | Junior | T200 | Donabate | Leinster |
| 18-19 Apr | Athlone TC Junior Tour 100 U12 & U14 | Junior | T100 | Athlone | Leinster |
| 19 Apr | Red, Orange & Green Ball Leinster Tour Balrothery | Tennis10s | Green | Balrothery TC | Leinster |
| 24-26 Apr | Castleknock LTC Junior Tour 200 Open | Junior | T200 | Dublin | Leinster |
| 24 Apr-3 May | Castleknock LTC Junior Tour 1000 | Junior | T1000 | Dublin | Leinster |
| 25 Apr | Red, Orange & Green Ball Leinster Tour Donabate | Tennis10s | Green | Donabate TC | Leinster |
| 26 Apr | Red, Orange & Green Ball Leinster Tour Bective | Tennis10s | Red | Bective TC | Leinster |
| 26 Apr | Red, Orange & Green Ball Leinster Tour Meadowvale | Tennis10s | Orange | Meadowvale TC | Leinster |
May |
| 9-17 May | Mullingar Junior Tour 100 & 500 | Junior | T100 & T500 | Mullingar | Leinster |
| 10 May | Red, Orange & Green Ball Leinster Tour Bective TC | Tennis10s | Red | Bective TC | Leinster |
| 10 May | Red, Orange & Green Ball Leinster Tour Bective TC | Tennis10s | Orange | Bective TC | Leinster |
| 10 May | Red, Orange & Green Ball Leinster Tour Claremont RU | Tennis10s | Green | Claremont RU | Leinster |
| 17 May | Red, Orange & Green Ball Leinster Tour Clontarf LTC | Tennis10s | Red | Clontarf LTC | Leinster |
| 17 May | Red, Orange & Green Ball Leinster Tour Monkstown LTC | Tennis10s | Orange | Monkstown LTC | Leinster |
| 17 May | Red, Orange & Green Ball Leinster Tour Monkstown LTC | Tennis10s | Green | Monkstown LTC | Leinster |
| 17 May | Red, Orange & Green Leinster Tour Claremont RU | Tennis10s | Green | Claremont RU | Leinster |
| 30-31 May | Rathgar Junior Tour 100 & 200 | Junior | T100/T200 | Rathgar | Leinster |
June |
| 11 Jun | Greystones Junior Tour 100 & U8, U9, U10s | Junior | | Wicklow | Leinster |
| 15-20 Jun | KPMG Carrickmines Junior Tour 1000 2026 | Junior | T1000 | Dublin | Leinster |
| 18-26 Jun | Tennis Leinster Summer Event Monkstown & Beckett Park | Junior | T100 | Dublin | Leinster |
| 22-26 Jun | Yoplait Skyr Junior Tour 500 | Junior | T500 | Dublin | Leinster |
| 27 Jun | Red, Orange & Green Ball Leinster Tour DCU | Tennis10s | Orange | DCU | Leinster |
| 27 Jun | Red, Orange & Green Ball Leinster Tour DCU | Tennis10s | Green | DCU | Leinster |
| 29 Jun-2 Jul | Tennis Leinster Summer Events Part 1 | Junior | T200 | Dublin | Leinster |
July |
| 3 Jul | Red, Orange & Green Ball Leinster Tour DCU | Tennis10s | Red | DCU | Leinster |
| 3 Jul | Red, Orange & Green Ball Leinster Tour DCU | Tennis10s | Orange | Orange | Leinster |
| 6-9 Jul | Tennis Leinster Summer Events Part 2 | Junior | T100/200 | Dublin | Leinster |
| 6-11 Jul | Greystones Junior Tour 500 | Junior | T500 | Wicklow | Leinster |
| 10 Jul | Red, Orange & Green Ball Leinster Tour DCU | Tennis10s | Orange | DCU | Leinster |
| 10 Jul | Red, Orange & Green Ball Leinster Tour DCU | Tennis10s | Green | DCU | Leinster |
| 18-19 Jul | Tennis Leinster Summer Event Glenageary | Junior | T100 | Dublin | Leinster |
| 20-23 Jul | Tennis Leinster Summer Events Part 3 | Junior | T200 | Dublin | Leinster |
| 24 Jul | Red. Orange & Green Ball Leinster Tour Beckett Park | Tennis10s | Orange | Beckett Park | Leinster |
| 24 Jul | Red. Orange & Green Ball Leinster Tour Beckett Park | Tennis10s | Green | Beckett Park | Leinster |
| 30 Jul | Red, Orange & Green Ball Leinster Tour DCU | Tennis10s | Red | DCU | Leinster |
| 30 Jul | Red, Orange & Green Ball Leinster Tour DCU | Tennis10s | Green | DCU | Leinster |
August |
| 12-20 Aug | Tennis Leinster Summer Events Part 4 | Junior | T200 | Dublin | Leinster |