There are 2 ballots for Wimbledon tickets:

• the Wimbledon Public ballot
• the Wimbledon LTA ballot

The Wimbledon Public Ballot is  open and closes on 11.59pm on Tuesday 10 October 2023.
See: https://www.wimbledon.com/en_GB/tickets/the_wimbledon_public_ballot.html

The Wimbledon LTA Ballot is now managed centrally. It is no longer done through the tennis clubs.

Information on the Wimbledon LTA ticket ballots is at
https://www.lta.org.uk/fan-zone/grand-slam/wimbledon-championships/ballots/

You need to register as an LTA Advantage Play+ member - this is FREE for members of qualifying LTA registered venues.

See:
https://www.lta.org.uk/advantage/compare/

When joining as a LTA Advantage Play+ member, please select Fulbourn Tennis club as your registered club.

For Opting into the LTA Wimbledon ballot see:

https://www.lta.org.uk/support-centre/wimbledon/advantage-members-ballot/ballot-opt-in/

From this page:

How do I Opt In to the Wimbledon Ballot for 2024?

To opt in for the 2024 ballot, you can do so (once open) in the benefits section of your account. This opt-in period will run from the end of the year through to mid-January.