Video: Victoria Duval appears on The Tonight Show

Victoria Duval, who upset 2011 champion Samantha Stosur in the first round of the U.S. Open, appeared on The Tonight Show with Jay Leno on Tuesday.
Duval, 17, discussed her backstory, how she became a tennis player and that distinctive voice. Duval's personality really shone through when she spoke about her mentor Venus Williams:

Contributor, SI.com Nguyen is a freelance writer for SI.com, providing full coverage of professional tennis both on and off the court. Her content has become a must-read for fans and insiders to stay up-to-date with a sport that rarely rests. She has appeared on radio and TV talk shows all over the world and is one of the co-hosts of No Challenges Remaining, a weekly podcast available on iTunes. Nguyen graduated from the University of California, Irvine in 1999 and received a law degree from the University of California, Davis in 2002. She lives in the Bay Area.