Leagues
Northallerton Tennis Club plays in several different leagues each year. Here is a list of the leagues, and club members who organise them.
| League | Organiser |
| Harrogate | Graham Iveson |
| Vale of Mowbray | TBA |
| Ladies Dalepack | Cath Place |
| Ladies Darlington & District | Margaret Fenwick & Sue Pratt |
| Thirsk Winter League | Richard Owens |
| Veterans | Bill Charlton |
| Junior Black Sheep | TBA |