| 26/04 to 16/06 | Spring Handicap 2013 | Malahide LTC | Dublin |
| 27/04 to 27/04 | Tennis Tens Blitz at National Tennis Centre | Tennis Ireland | Glasnevin |
| 30/04 to 05/05 | Centenary Tournament | Wicklow Tennis Club | Wicklow |
| 30/04 to 03/06 | Mixed Doubles 2013 | Charleville LTC | Dublin 9 |
| 01/05 to 30/05 | Singles League Summer 2013 | Carlow LTC | Carlow |
| 03/05 to 06/05 | Carrigaline GSK Junior Open 2013 | Carrigaline Tennis Club | Cork |
| 04/05 to 06/05 | 2013 Leinster Provincial Towns Junior Tournament | Leinster Branch of Tennis Ireland | Dublin |
| 04/05 to 06/05 | West of Ireland 2013 | Sligo Tennis Club | Sligo |
| 05/05 to 12/05 | 2013 Bishopstown Senior Doubles Championships | Bishopstown Lawn Tennis Club | Cork |
| 05/05 to 18/05 | Mulligans & Specsavers Inter Firms 2013 | St Annes Tennis Club | Waterford |
| 13/05 to 19/05 | West Ulster Championships 2013 | Enniskillen Lawn Tennis Club | Enniskillen |
| 13/05 to 25/05 | KILKENNY LTC INTERFIRMS 2013 | Kilkenny Lawn Tennis Club | ILENNY |
| 14/05 to 24/05 | Business Houses League 2013 | Hillbrook Tennis Club | Enniscorthy |
| 14/05 to 25/05 | KILKENNY INTERFIRMS 2013 | Kilkenny Lawn Tennis Club | KILKENNY |
| 15/05 to 19/05 | Lower Aghada Junior Open 2013 | Lower Aghada | Lower Aghada |
| 15/05 to 25/05 | Douglas Senior Doubles 2013 | Douglas LTC | Cork |
| 17/05 to 19/05 | 2013 Super Senior Veteran Interprovincial Championships | Leinster Branch of Tennis Ireland | Templogue |
| 17/05 to 26/05 | North Leinster Junior Open 2013 | Mullingar Tennis Club | Mullingar |
| 19/05 to 30/06 | Dundalk Junior Summer League 2013 | Dundalk Tennis Club | Dundalk |
| 20/05 to 26/05 | Cavan Senior Open 2013 | Cavan LTC | Cavan |
| 20/05 to 01/06 | Castleview Interfirms 2013 | Castleview Tennis Club | Carrick-on-Suir |
| 24/05 to 26/05 | CWLTC Tennis Tens 2013 | Co. Wicklow LTC | Bray |
| 24/05 to 26/05 | St Michaels 2013 Open Veterans Tournament | St Michaels Tennis Club | Cork |
| 25/05 to 25/05 | Tennis Tens Blitz at National Tennis Centre May 2013 | Tennis Ireland | Glasnevin |
| 26/05 to 02/06 | Kinsale Open 2013 | Kinsale Tennis Club | Cork |
| 27/05 to 02/06 | SHARP GROUP NAAS LTC - SENIOR OPEN TENNIS CHAMPIONSHIPS 2013 | Naas LTC | Naas |
| 28/05 to 26/06 | 2013 U13 & U16 South Dublin & North Wicklow League | Leinster Branch of Tennis Ireland | Dublin |
| 30/05 to 02/06 | NPTC U12 & U14 Junior Open 2013 | Newtownpark Tennis Club | Dublin |
| 30/05 to 03/06 | 2013 Irish Veteran Open Championships | Leinster Branch of Tennis Ireland | Dublin |
| 31/05 to 03/06 | Rathgar Junior Open 2013 | Rathgar Tennis Club | Dublin 6 |