15-year-old Cori Gauff defeated five-time champion Venus Williams in straight sets Monday during the first round of Wimbledon, 6-4, 6-4.

15-YEAR-OLD COCO GAUFF JUST DEFEATED VENUS WILLIAMS 😱 pic.twitter.com/6jXN29mp1n — espnW (@espnW) July 1, 2019

10 Things to know about Cori Gauff:

1. The American teenager, who goes by "CoCo," was born on March 13, 2004. She wasn't even alive when Venus won her first two Wimbledon titles.

Youngest Player in History to Qualify for #Wimbledon.

15 year old, Cori Gauff 🇺🇸🎾#AgainstAllOdds pic.twitter.com/VdD1FUPv8y — Nalu (@worldofnalu) July 1, 2019

2. She's the youngest player to qualify for Wimbledon in the Open Era.

15-year-old Cori Gauff:



Took a high school science exam on Wednesday.



Beat Venus Williams at Wimbledon on Monday. pic.twitter.com/nZ8AaL4EUl — ESPN UK (@ESPNUK) July 1, 2019

3. Gauff grew up idolizing Venus and Serena Williams and told BBC Sport Serena is “the reason why I play tennis.” She also said she's "been dreaming to share the court with Venus” in a pre-match interview.

"They're the reason I wanted to pick up a tennis racket"



After coming through Qualifying, @CocoGauff now has the chance to face one of her idols... #Wimbledon pic.twitter.com/20iqy8zYgj — Wimbledon (@Wimbledon) June 28, 2019

4. She started playing tennis at the age of seven.

WIMBLEDON 2019 RESULTS: Live tennis scores, full draw, bracket at All England Club

5. She grew up in Atlanta, but currently lives in Delray Beach, Florida.

6. Gauff's parents were both Division I athletes. Her father played basketball at Georgia State and her mother was a track and field athlete at Florida State.

7. She has two main sponsors: New Balance and Italian food company Barilla, which is also a sponsor of Roger Federer.

Cori Gauff - 15 years, 3 months, 19 days

Venus Williams - 39 years, 0 months, 4 days



One of the biggest results in #Wimbledon history as the youngest ever player to qualify for the tournament Cori Gauff defeats legend Venus Williams, who is more than double her age 😲🎾 pic.twitter.com/qgk7mbXMn5 — SuperSport ⚽️🏆 (@SuperSportTV) July 1, 2019

8. She is 5-feet 9-inches tall.

9. Her highest world ranking (299) came last month. She is currently ranked 313.

10. Gauff made her professional debut in May 2018 as a qualifier into the $25K event at Osprey, where she won her first professional match.