Tennis, cricket and other sports
How are player-aces bets settled if a tennis match ends in a walkover?
Direct answer
A match that never starts is commonly void, while a retirement after play begins may have market-specific settlement.
How to use this answer
A definitive win, loss, void or refund cannot be established from the question alone. Identify the operator, the exact market, the date and the relevant official result, then check the rules that applied to the bet.
Shortened or unfinished matches may be treated differently by market. Record the event format, score at suspension and the specific retirement, abandonment or overs rule rather than assuming every selection is void.