So I won a battle in Team wars, however I lost all of my monsters (enemy team had a Singularis and used Paradox on my whole team, however I was able to defeat them in 4 turns. ) It was 1v1 in the end and I killed the enemy monster, however Paradox also triggered on my monster, so essentially both of them died.
So the game shows me the "Victory" message, and I thought I won the match. But I got an error message (very interesting...) and had to exit (not the game, only the war, everyhing else worked perfectly).
And after I came back to the war and checked the War stats, I saw this:

How did this happen? Why are they all perfectly healthy? Why did I lose?
It's like I did nothing to them.

if i remember correctly

in war the system check your monster first and as the 3 is died it consider it a loss .
in pvp the system check the enemy monsters first so if this happened in pvp it would count as a win

@Haka-Taka well the enemy monster died first and then Paradox activated, so my monster was the last one standing.
But why does it show the enemy monsters completely unharmed in the war stats menu?

Note sure why maybe just a graphical glitch
but in war both of you lost all monsters .this is why it is a loss .. so the loss result is not a bug just the shown result