1. Player A is playing only forehands to the baseline and player B plays only backhands. Try to move your opponent towards the sidelines or towards the centre of the court, and by your placing of the ball force him/her into making errors.
2. Then change sides and A plays forehands (? Backhands - look Diagram) and B plays backhands. You should always have at least 15-20 exchanges of shots. If your opponent plays a short ball you should of course move to the net.

You can of course play the best of three tie-breaks!!