That's almost a butterfly formation, obviously he is playing defense so u should add as many players as possible at his side of field and play high press with 4 defenders
If i was playing i would use 4-1mc-3w-2 blue arrow on both central defenders, normal ment, mixed passes and focus, high press with hard tackle and counter, offside on.
If u r losing long balls, have low passes completed percentage or ur assistant says ur counter is not working then turn counter off and play short passes. That's my personal opinion I'm not an expert xD. Still, hope i helped and good luck
Oh one more thing, can u post ur results and tactics used after the game we will appreciate that, thnx in advance