21st League Game - My Only Loss Really Disturbs Me!

I bet that we will go 25-0-1. And that loss vs some crap team with 4-1 will haunt me forever!
We even beat them in the 2nd match with 4-0. I don't know what happened earlier in the season in that match.
12p ahead of the team placed on the 2nd spot, 5 games left. One more win, and we have secured the league title... in that case - 2 out of 2