Need help to solve this tree diagram question,

[limengxi]

Hi, everybody, How could I solve this problem?

Use a diagram to illustrate the following sample space: Lleyton and Pat play tennis. The first to win three sets wins the match.

I'm so confused about it. :( Thank you for your great help.

[maggiemagnet]

Hi, everybody, How could I solve this problem?

Use a diagram to illustrate the following sample space....

You can "solve" by following the directions: Draw a tree to show the sample space!

(They didn't ask you anything about the tree or probabilities or anything, so it looks like all you need is the tree.)