Related Clues:

• No-risk wager
• Election Day certainty
• Lead-pipe cinch
• Winner, for sure
• Unlikely loser
• Can't-miss proposition
• It won't disappoint
• Certain winner
• Gambler's cinch
• Thing sure to be won
• Easy victor
• Slam dunk, so to speak
• Best bet
• Obvious winner
• Certain victor