How to best a big team 4-5-1 v-style

[Lipo]

Hy guys
I need a very big help

Leage 5:
My team: 44.5
Opponent: 59.2 ( I don't know how..)

Openent it's first on leave and he wins every
Match.
He wins 7:1 to an 41 team (3-5-2)
5:1 to an 41.5 (4-4-2)
6:1 to an 43.4 (3-2-3-2-1)
4:0 to an 44.5 ( 3-2-1-2 ) v

He play 4-5-1 v style
I'm play 3-5-2 or 3-1dmc -4-2


1 which formation ?
2. Which tactic ?