Serena Williams celebrates her victory over Martina Hingis in the 1999 US Open final (Getty Images) | Tennismash
Classic Rivalries: Williams vs. Hingis - TennisPAL
Serena Williams (USA) with Martina Hingis (SWI) wins her first Grand Slam at the 1999 US Open Tennis Championship Stock Photo - Alamy
2014 Sony Open Champions: Serena Williams, Martina Hingis & Sabine Lisicki, Novak Djokovic, The Bryan Brothers | Fairways and Forehands
Andy Murray and Serena Williams beaten by Jamie Murray and Martina Hingis in fantasy mixed doubles final | Tennis News | Sky Sports
Serena Williams begins US Open with a convincing singles win | CNN
Tennis news - The best 40 stats, from Grand Slam wins to records, to celebrate Serena Williams's 40th birthday - Eurosport
Too exciting to compute' - How Serena Williams landed the first of her 23 Slams at the US Open 20 years ago
Felt Like Playing a Steamroller'- When Serena Williams' Ferocious Play Made Martina Hingis Insecure About Her Own Game - EssentiallySports
Tennis news: "They always have a big mouth" – When Martina Hingis got involved in a controversy with Richard, Venus and Serena Williams at 1999 US Open
Serena vs. Hingis: When teenage Grand Slam finals were the norm - Official Site of the 2022 US Open Tennis Championships - A USTA Event
Martina Hingis | Biography, Titles, & Facts | Britannica
Hey, isn't that . . . ?: Serena Williams and Martina Hingis - The Washington Post
USA's Serena Williams (R) shakes hands with Switzerland's Martina Hingis after withdrawing from the finals of the Canadian Open in Montreal, August 20, 2000. Williams left the match because of a foot
T365 Recall: The brilliant yet fleeting rivalry of Venus Williams and Martina Hingis - Tennis365
U.S. Open 2014: Serena Williams Appears to Be in a Class by Herself - The New York Times
Serena: Rivals I Miss Most...And Least
Serena Williams vs Martina Hingis Full Match | 1999 US Open Final - YouTube
Williams Sisters Leave an Impact That's Unmatched - The New York Times
Many times they get sponsors because they are black" - When Martina Hingis made a racially insensitive comment about Venus and Serena Williams
Martina Hingis vs Serena Williams 2001 Australian Open QF Highlights - YouTube
Serena Williams (USA) with Martina Hingis (SWI) wins her first Grand Slam at the 1999 US Open Tennis Championship Stock Photo - Alamy
