That's the sickening nature of doubling up in poker.
I've been involved in a lot of disconnections heads-up. The tin foil hat makes me wonder if the Russian or other villain somehow managed to disconnect me. I was in the same position as your opponent as I frantically reconnected with only a few BB left in a winner-take-all, and after several double-ups, I became the hero and he won zero!
Muddguts;349230 wroteThen he was disconnected and was automatically folded every hand and just as I had him down to his last 16k his connection reestablished