Following is a list of Serena Williams' 23 grand slam singles titles after the American surpassed Steffi Graf's professional era record with victory at the Australian Open on Saturday:
1999
US Open - beat Martina Hingis (Switzerland) 6-3, 7-6
IMAGE: Serena Williams kisses the trophy after defeating Martina Hingis to win the US Open at the USTA National Tennis Center in Flushing Meadows, New York, on 11 Sep 1999. Photograph: Jamie Squire/ALLSPORT/Getty Images
2002
French Open - beat Venus Williams (US) 7-5, 6-3
Wimbledon - beat Venus Williams 7-6, 6-3
US Open - beat Venus Williams 6-4, 6-3
IMAGE: Serena Williams poses for photographers after defeating her sister Venus Williams to win the US Open final at the USTA National Tennis Center in Flushing Meadows-Corona Park, New York on September 7, 2002. Photograph: Ezra Shaw/Getty Images
2003
Australian Open - beat Venus Williams 7-6, 3-6, 6-4
Wimbledon - beat Venus Williams 4-6, 6-4, 6-2
IMAGE: Serena Williams holding the trophy after defeating sister Venus Williams to win the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis and Croquet Club, in Wimbledon, London, on July 5, 2003. Photograph: Alex Livesey/Getty Images
2005
Australian Open - beat Lindsay Davenport (US) 2-6, 6-3, 6-0
IMAGE: Serena Williams poses onboard a boat on the Yarra River with the Australian Open Championship Trophy after winning the Australian Open Grand Slam final at Melbourne Park on January 29, 2005. Photograph: Clive Brunskill/Getty Images
2007
Australian Open - beat Maria Sharapova (Russia) 6-1, 6-2
IMAGE: Serena Williams poses with the trophy after defeating Maria Sharapova to win the Australian Open title at Melbourne Park on January 27, 2007. Photograph: Clive Brunskill/Getty Images
2008
US Open - beat Jelena Jankovic (Serbia) 6-4, 7-5
IMAGE: Serena Williams and Jelena Jankovic pose with their trophies after the former beat the latter to win the US Open final at the USTA Billie Jean King National Tennis Center at the Flushing neighborhood of the Queens borough of New York City on September 7, 2008. Photograph: Al Bello/Getty Images
2009
Australian Open - beat Dinara Safina (Russia) 6-0, 6-3
Wimbledon - beat Venus Williams 7-6, 6-2
IMAGE: Serena Williams with the 2009 Wimbledon title. Photograph: Reuters
2010
Australian Open - beat Justine Henin (Belgium) 6-4, 3-6, 6-2
Wimbledon - beat Vera Zvonareva (Russia) 6-3, 6-2
IMAGE: Serena Williams with her 2010 Australian Open trophy. Photograph: Reuters
2012
Wimbledon - beat Agnieszka Radwanska (Poland) 6-1, 5-7, 6-2
US Open - beat Victoria Azarenka (Belarus) 6-2, 2-6, 7-5
IMAGE: Serena Williams celebrates on winning her Wimbledon title in 2012. Photograph: Reuters
2013
French Open - beat Maria Sharapova (Russia) 6-4, 6-4
US Open - beat Victoria Azarenka (Belarus) 7-5, 6-7, 6-1
IMAGE: Serena Williams poses with the Coupe Suzanne Lenglen trophy in her changing room on Saturday. Photograph: Corinne Dubreuil/FFT/Pool/Getty Images
2014
US Open - beat Caroline Wozniacki (Denmark) 6-3, 6-3
IMAGE: Serena Williams celebrates with the trophy after defeating Caroline Wozniacki to win their women's singles final match of the 2014 US Open title. Photograph: Streeter Lecka/Getty Images
2015
Australian Open - beat Maria Sharapova (Russia) 6-3, 7-6
French Open - beat Lucie Safarova (Czech Rep) 6-3, 6-7, 6-2
Wimbledon - beat Garbine Muguruza (Spain) 6-4, 6-4
IMAGE: Serena Williams holds the Daphne Akhurst Memorial Cup after winning the 2015 Australian Open women's final against Maria Sharapova. Photograph: Clive Brunskill/Getty Images
2016
Wimbledon - beat Angelique Kerber (Germany) 7-5, 6-3
IMAGE: USA's Serena Williams celebrates with the trophy on winning her Wimbledon women's singles final match against Germany's Angelique Kerber at the All England Lawn Tennis & Croquet Club, Wimbledon, in London on July 9 2016. Photograph: Stefan Wermuth/Reuters
2017
Australian Open - beat Venus Williams (US) 6-4, 6-4
IMAGE: Serena Williams with her historic Australian Open title on Saturday, January 28. Photograph: Issei Kato TPX IMAGES OF THE DAY/Reuters
