7HP Militia didn't die after receiving 9 dmg - explain this atheist

Expected behavior:
When unit receives damage equal or greater to its HP it dies (I'm aware that it will survive if it is last defender that simultaneously kills the last attacker).

Actual behavior
2 Infantry + 1 General attacked 1 Militia:
Round 1
Infantry 1 dmg | Militia 4 dmg --> #1 Infantry 3 HP | Militia 6 HP
Round 2
Infantry 1 dmg | Militia 3 dmg --> #1 Infantry dies, #2 Infantry 7 HP | Militia 5 HP
Round 3
Infantry 2 dmg | Militia 1 dmg --> #2 Infantry 6 HP | Militia 3 HP
Round 4
Infantry 2 dmg | Militia 4 dmg --> #2 Infantry 2 HP | Militia 1 HP
Round 5
Infantry 3 dmg | Militia 2 dmg --> #2 Infantry dies, General alive with 1 HP | Militia -2 HP (Should die)
Round 6 (There should be no round 6)
General 1 dmg | Militia 2 dmg --> General dies, | Militia -3 HP (Should already be dead)

Steps to reproduce the behavior:
1. Be me.
2. Start a battle with 99,85% success probability.
3. Win the battle but loose it anyway.
4. Dave explain.

Information:
Browser: Brave Version 1.78.94 Chromium: 136.0.7103.60 (Official Build) (64-bit)
OS: Windows 10