Tennis, cricket and other sports
What's the best way to check an unusual badminton retirement bet?
Direct answer
Compare the match's completion status with the exact retirement clause and the market's settlement requirements.
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.
This is a practical or editorial answer; no universal operator rule is claimed.