Start on one side of the court on the doubles line with a friend who can time you.

Sprint to the centre service line and back, the opposite single line and back, then the opposite doubles line and back.

Then immediately repeat the drill again.

Make sure you touch each line every time your reach it.

Once you've got your breath back, send us your best time and if it's good enough we'll put it on the weekly Academy league table.

Tim Henman can do this in just under 25 seconds so get sprinting!

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Weekly league

Don't worry if you're not topping the league after week one We'll publish a new table every week so you'll have plenty of chances to improve that score