Related Clues:

• The evening wear that turns heads?
• 50:50 chance
• Odds that aren't
• Odds still short
• Ends in tears initially, then troubles
• 1/1
• Penguin suit with flippers, one possibility
• Fifty-fifty where ace is in matches?
• Bother setting apart sides in toss? Here's one
• Odds?
• Quits from missus, never coming back
• Level betting
• Short form of rugby fails to start with equal chance
• Levels the score and quits
• 1 to 1, or 1D's head dropping 18Ac and 17D, say