Welcome to Smogon! Take a moment to read the Introduction to Smogon for a run-down on everything Smogon, and make sure you take some time to read the global rules.
When I play Random Battle Blitz, my opponent disconnected and the system message said that they had a minute to reconnect when in reality it was only about 5 or 10 seconds before my opponent ran out of time and lost. I guess just change the system chat message for blitz specifically?