The 23-year-old has reached the third round of the world's most legendary tennis tournament for the second time, but standing in her way is one Miss Serena Williams.
So to progress, Watson has to beat the number one seed, five-times Wimbledon champion and winner of 20 Grand Slam titles, third on the all-time list, behind Margaret Court and Steffi Graf.
The 33-year-old American is also Watson's heroine.
A Watson victory would rock the world of tennis, it seems pretty much an impossible dream.
But upsets can and do happen.
Click below to hear Watson discussing the match...
