YOU SAID:

If I do not win this round I will quit

INTO JAPANESE

このラウンドに勝てなければやめます

BACK INTO ENGLISH

If you can't win this round, I'll stop

INTO JAPANESE

このラウンドに勝てないならやめます

BACK INTO ENGLISH

If you can't win this round, stop

INTO JAPANESE

このラウンドに勝てない場合は、やめてください

BACK INTO ENGLISH

If you can't win this round, stop