Was the game showing as having kicked off when you placed the bet?
Yes, but even if it didn't, they've always refunded anyway. As long as you place it in the inplay market. I've done this bet fuck knows how many times. Based on the uproar on Twitter, they've just decided to ruin everyone.
I've sent a nice long complaint, but since I'm a good few thousand in the black since I opened the account I highly doubt they'll show me any goodwill.