To cancel a wager on the Desktop Site, please begin by selecting Account, and then selecting My Bets from the resulting drop-down menu. This is displayed below: 
Once you have reached your My Bets page, simply locate the wager you wish to cancel and select Cancel Bet located to the right of your active wager. This is displayed below:
You will be asked to confirm the cancelation. Click the yellow Yes to confirm and finalize your wager cancellation. 
You can also find your bets listed on the right side of the race card, just below the video player. Click the red X to cancel the wager. Again, click the yellow Yes to confirm.
TVG does not guarantee the ability to cancel wagers. Wagers placed on future pools and Hong Kong racing cannot be canceled. Please see our terms and conditions for additional restrictions.