Of course, Americans don't like things to end in a draw, do we? But we use n-all during tennis, table tennis and volleyball games, perhaps because the score is typically announced before each serve.I don't think Americans use "all" to denote a tie in sports other than tennis. I can't recall having heard it, at any rate.
Reverting to the original question cool, I don't think I'd write 1 all. For me it would need a hyphen; and I'd be much more likely to write one-all than 1-all.Is it possible to say 1 all in football, if the score was 1-1 (one to one)?