Backing both tennis players in a match can make you an easy profit - guaranteed. All you have to do is simply back both players at the best available price. If the maths adds up, you're sure to win. 
 
This is known as an arbitrage, or arb for short. To calculate an arb, follow this easy-to-use formula...

1. Find the very best odds available by visiting the bookies' websites: www.wsb.co.za, www.pearlbetting.co.za and www.greatodds.co.za.

2. Convert odds into percentages. Divide the right-hand side of the odds by the sum of both sides, and multiply by 100. So the percentage odds for 5/4, for example, are: 4 divided by (4 + 5) x 100 = 44.44%.
 
3. Repeat this simple calculation for the other player too.

4. Now add up both percentages. If the total is less  than 100, you can profit by backing both players.

For example, imagine Murray is playing Nedal. Nedal is best-priced 5/4 (or 44.44%), and Murray at 6/4 (40.00%). The total percentage here is 84.44%, well under 100.

You have found your arb, and can back both of them to win your bet no matter what.

Here’s to your wealth, health and happiness,

Pascale Barrow
Managing Editor of Personal & Finance Confidential