Tennis coach Judy Murray believes that overcoming illness will help to improve Heather Watson's game as she prepares to face Angelique Kerber.

The 22-year-old, who struggled with glandular fever last year, takes on ninth seed Kerber today looking to book a place in the third round at Wimbledon.

"She's been up in the top 40 before, she's beaten some top players before, she has to do that on a consistent basis, and that's about getting your head and your body in the right place for much longer periods of time," Murray is quoted as saying by Sky Sports News.

"So I think she's aware of what she has to do now, and I'm just very happy to see her getting back to where she was before. The way she has recovered from her illness, it definitely can help.

"She wasn't able to put in the hours on court and in the gym she would have liked last year, so she knows what that feels like and it's frustrating. But it took her a long time to get over that. Once you've experienced that, you appreciate much better feeling fit and healthy."

Watson edged past world number 12 Flavia Pennetta on the way to reaching last week's semi-finals at Eastbourne.