Popsugar Health & Fitness Athletes Serena Williams Wins First Grand Slam at 1999 US Open Watch the Moment 17-Year-Old Serena Williams Won Her First Grand Slam at the US Open 9 September 2020 by Karen Snyder Duke View On One Page Photo 11 of 13 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 11 Previous Next Start Slideshow AthletesSportsNostalgiaUS OpenTennisSerena Williams