Murray's backing for Watson
Beating glandular fever can steel Heather Watson for an intense tactical battle against ninth seed Angelique Kerber at Wimbledon, according to Judy Murray.
British No 1 Watson will face German Kerber on Centre Court on Thursday, aiming to continue her 2014 resurgence.
Watson struggled with glandular fever last year, but overcame world No 12 Flavia Pennetta to reach last week's semi-finals at Eastbourne.
Fed Cup captain Murray backed Watson to register a first career victory against one of the world's top 10 in second-round action at the All England Club.
"The way she has recovered from her illness, it definitely can help," said Murray, ahead of Watson's clash with the current world No 7.
"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.
"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.
"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."
Watson has overtaken the injured Laura Robson as Britain's number one, and assumed the mantle as the home nation's chief women's hope in the process.
Providing Watson employs shrewd tactics, Murray feels she will have the confidence and the power to cause problems for 26-year-old German Kerber, who was runner-up at Eastbourne.
"For the last six or seven weeks she's started to show some really good form, she's moving really well," said Murray.
"She had a really difficult year last year with the glandular fever where she wasn't able to train the way she would have wanted, she didn't have the energy.
"This year I think she's getting back towards her best form, so I'm hoping she's going to have a good run here.
"I don't see any reason why she can't win again, she's moving well and if she gets into the right places, in that she has a good game plan, then I don't see any reason why not.
"The grass suits her, she defends well, absorbs the ball well, so she has to get her head down and a play a smart tactical game.
"It's good because last year was so tough for her, so it's great to see her out there and playing well again."