two sets to love

[beachboy]

I´ve heard this kind of comment a couple of times on a tennis TV coverage: Federer will serve to a two sets to love lead. Why not Federer will serve to a two-set-to-love lead?

[Raymott]

I´ve heard this kind of comment a couple of times on a tennis TV coverage: Federer will serve to a two sets to love lead. Why not Federer will serve to a two-set-to-love lead?

Well, they could say that too. Why do you prefer the latter?
"Serving to a lead" sounds strange to me, but I don't follow sports much.

[beachboy]

I´ve learned that I can only say, for example: I have a 10-dollar bill, or He´s a 36-year-old tennis player, because the underlined words work as adjectives. I can´t understand why there are two possibilities in relation to the first sentence I posted...