Since there are a wide range of entrepreneurs fundraising at any given time, I looked at each opportunity as it has arisen and on its own merits. Then I've sat down with my financial advisers, we've looked at the numbers and gone for the businesses I believe have real potential.

There's no doubt Milos Raonic will be a very tough final opponent, after all he beat [ Roger] Federer on Centre Court to get there.

It becomes tricky, and you start to think about the cramps rather than just actually what you're trying to do on the court, which is obviously win the match.

I didn't practise it loads when I was at the academy in Spain, but when I got on the ATP Tour it's something I dedicated a lot of time to.

I've always been lucky enough to just play tennis, so I never actually had a job when I was growing up.

I decided at the outset to invest in a fairly broad range of businesses, as I didn't want to get pigeonholed into one sector.

I'll never pay above the odds for something if there's a more cost-effective alternative, so I guess that's where the saver in me shines through.