"There have been times when I've questioned whether I should move on and do something different but I never stopped loving tennis and I was willing to try something different which paid off for me, " she said.

BBC: Keothavong enters world's top 50

When I tweeted from the pub on a day off the other day, it never occurred to me that my boss was one of my followers, and he hasn't stopped teasing me about it, which is a bit embarrassing.

BBC: What every parent should know about social media