Laura Robson is back in action on Saturday, aiming to become the first British woman to reach the fourth round since 1998.
The British number one won her third round match on Friday in straight sets, 6-4 6-1 over Mariana Duque-Marino.
It's the first time Robson has got through to the third round of Wimbledon.
She'll take on New Zealand's Marina Erakovic for a chance to get through to the last 16.
The tennis ace has the support of the One Direction boys, and thousands of 'Directioners', after Harry tweeted her wishing her luck today's game.
Thousands of his fans responded by following Robson but she said many did not know who she was!
Laura tweeted all her new followers back saying: "Hi to the One Direction fans".
But she said they later "corrected" her by explaining: "We're not fans; we're Directioners".
Laura said she thinks she got around 20,000 extra followers after Harry tweeted about her.