I always play 4-1-4-1 reds n ML/MR, and if the statistics are bad, i change it to 4-5-1 V by advancng the ML/MR to AML/AMR.
Is he is stonger/equal, is start the match defending/hard defending, and change the tactic to attacking if they score, or if they get 10 shots to my 3(just an example).