Peer-to-peer betting exchange Betfair has cancelled all bets taken on the tennis match between Nikolay Davydenko and Martin Vassallo Arguello yesterday.
A statement put on the site today reads: "Following consultation with the men’s professional tennis tour, the ATP, Betfair has decided to void all bets placed on Thursday’s 2nd round match between Nikolay Davydenko and Martin Vassallo Arguello at the Orange Prokom Open.
"Betfair suspended settlement of bets at the conclusion of the match yesterday because of concerns over irregular betting patterns. The company has taken this action in the interests of maintaining integrity and fairness in all our markets."
The match was part of the second round of the Orange Prokom being played in Poland. Nikolay Davydenko retired in the third set of his game against Arguello due to a foot injury. Aguello goes through to the quarter finals.
Betfair has a team of staff who monitor betting for suspicious activity.®