Question NGO: Ping the Lobby list? -- Which has Lobby has the fastest ms

I have a fast paced 2D shooter I'm converting into online multiplayer.

I have a Lobby list set up but can not find any way to ping the Lobbies.

High latency makes the fast paced game unplayable, yet international players have no idea which Lobbies will have 20ms and which have 900 ms.

Is there something I'm missing here or some kind of workaround?
Surely such an important staple of Lobbies exists somehow..

Or even just any way to run an RPC, like get the host's server time to compare to my own local time.

Thanks!

 

Ping (RTT) to the Lobby is not relevant.
RTT to the host/server is what is important for smooth gameplay.

Unless Lobby works differently than I expect - haven't used it but cannot imagine the Lobby service being run or orchestrated by your host/server.

Personally I would expect the matching of players with low pings to be handled by Matchmaking, not Lobby. You may want to check Matchmaking docs.