Alright you can only do this if you are very fast in capturing lots of supply points. Do this when you have unlocked Light Tanks and the enemy has not gotten any light tanks yet.
- Stockpile Light Tanks on the Weakest enemy Position. Also, keep attacking the point with artillery.
2.Rush all your Light Tanks in the Area and quickly eliminate the enemy base.
3.( Continue if this is more than a 1V1 game)
- Create a defensive perimeter around your newly captured base
- Rush soldiers into your Perimeter and establish control
- Rinse and Repeat until your Tanks are Insuperior.