Playing pro tennis with a 22-time Grand Slam champion looking over your shoulder may sound daunting.

For Andre Agassi it was calming.

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When wife Steffi Graf was watching his matches, Agassi found it much easier to focus.

"Steffi was a reminder of what I needed to do when I was out there. When I looked up, she always had a focus about her, an intensity," Agassi says of his wife in this video interview for his media project Unscriptd. "A deep care and commitment to the task at hand. It was just hard for me to lose focus when she was there. It was a lot easier for me to concentrate on the task at hand."