What happens if a player retires or there is a walkover?
If a player retires after the match has started, all unsettled bets will be void unless the market has already been decided under the Natural Conclusion Principle.
If a player withdraws before the first point is played (walkover), all bets on the match are void.
What happens if a tennis match is abandoned?
If a match is abandoned before it is completed, all unsettled bets will be void unless the outcome has already been determined under the Natural Conclusion principle.