5 Things to Know About Emma Raducanu, the 18-Year-Old Who Has Stunned at the US Open

Any internationally ranked tennis player can sign up to play at Wimbledon, but only the top 104 participants are selected to compete along with an additional 16 players, who first have to earn their spot by winning three rounds in qualifying.

Raducanu went into Wimbledon ranked 338th in the world (she's now No. 150), so how did she score a spot on one of the biggest stages in tennis? She was one of the seven women players to be awarded a wild card, meaning she was a shoo-in for the main draw. It was only her second Women's Tennis Association (WTA) Tour appearance.