one, 1, won

One or one means the number 1--
Can't you wait one minute? 
Can't you wait 1 minute?
There is only one left.
There is only 1 left.
It's one o'clock.
It's 1 o'clock.
One or one is also used as a pronoun ( substitute for the name of a thing, person, or idea )--
One should never arrive late.
One never knows, does one?

Won or won ( rhymes with one ) is the past tense (yesterday, or some time ago ) of win. Won means   gained, especially in a contest or game of chance--
Our team won the game.
He won the lottery.
I never won anything before.

Now that you know that, you can say--
"I only won one game of  cards in my life."

Note--One o'clock is written 1:00 , or 1 am ( 1 in the morning--after midnight ),
or 1 pm ( 1 in the afternoon ).
One thirty is  written 1:30.
Quarter after 1 is  written 1:15.