I guess as you are aware of the issue I won’t make another topic, but describe what happened to me here.
Just had a weird situation while playing gauntlet. My score was 5/2. Queue was taking longer than usual so I clicked CANCEL, and clicked PLAY again to rejoin the queue, everything was going as usual, I got an opponent and got a quick win, but after winning (6th match) gauntlet run has just ended as 5 wins. As you can see on the screenshot I got a mysterious loss 1 minute prior to 6th fight that I have won.
So I guess that loss was caused by canceling the queue as for some reason game put me in that match and still let me queue for another one. I finished that 6th match at around 17:55 CET time (Sunday 12/02) if that helps you.
Please look into that issue as it ruined my whole gauntlet run and I got far less rewards as I was close to 7 wins and getting another run for free.
Any questions please ask.