The Fourth,
Anime? :O Where did you get it?
Let's say the battlefield situation is like so:
..F1
F1..F1..F1
.
.
H1..H1..H1
..H1..H1H1..H1
....H1......H1
.
H2..H2..H2
F1 = friendly units, first line
H1 = hostile units, first line
H2 = hostile units, second line
With 1 or 2 (depends on the number of enemy clusters) unit carrying SMINE it's fairly easy to decimate first line (H1 units). But, if you don't take account their second line (H2 units), you'll sustained heavy damage or even casualties.
This requires:
1. Good recon.
2. Enough units to decimate first line.
3. Enough manouverabily and weapon range to affect their second line as well.
Don't just walk over to enemy upon detecting their first few units. That's only the pickets/recons. Don't charge down with only one or two units. Not enough firepower.
Don't insist on retreating to avoid counterattack. Do so if you can of course. But in my experience this is hard to pull off effectively. The better course is to reduce their firepower.
The idea is to hit hard and hit completely or not at all. If you don't put everything in, you're holding your punches. The attack is bound to fail even before it starts.
Completely the opposite of shooting from away, which is slowly chipping the enemy. While doing recons and moving to positions to envelope.
Like in boxing: jab jab jab, uppercut bam!
You only need one good uppercut. But don't throw it all the time. If you only know how to jab, it's going to be a very very very long fight.
Remember, start from their flanks. It should be obvious.