For a session people actually show up to

Run the session, not a second job.

You already do the hard part: showing up every week and making sure people have a good time. MYOPL should do the easy part — the schedule, the headcount, and the score sheet — so you can just play.

The organizer toolkit

Why it is worth keeping in one place

When the chat, the schedule, and the results all live in the same conversation, nobody has to ask "wait, which group was this again?" a month later. Requesting a new Court, Club, or OPL kicks off a quick review — it is not instant, but it is one form, not five.