The County Open Competition is played at Sunderland Tennis Centre in July. A Grade 4 ranked tournament, it attracts players from throughout the country for a week of intense competition. Entries for the 2025 County Open Competition are open until 17th July and the competition runs from 27th July to 2nd August.

Competition categories in are:

8U, 9U, 10U, 11U, 12U, 14U, 16U, 18U and Open

8, 9, 10, 11, Open – Singles

12, 14, 16, 18 – Singles, Doubles