The correct phrase is "did he win." In English, when using "did," the main verb that follows should be in its base form, which in this case is "win." Using "won" would be incorrect in this context.
past tense and past participle of win is won
Past tense of win is won.
won is the past tense,the present tense is win.
Won is a past tense verb. I win. /I won. He wins / he won
win
He won the race. Do you want one sandwich or two?
almost sometimes yes
yes, won is the past tense of to win.
The war is already won-america has won
Won is the past tense of the verb win.
Won.
It is won.