828 articles
Kateřina Siniaková
Kateřina Siniaková (born 1996, Hradec Králové) is a Czech tennis player, WTA doubles world No. 1, with 12 Grand Slam women's doubles titles, a career Golden Slam, and Olympic golds at Tokyo 2020 and Paris 2024.
Katie Boulter
Katie Boulter, British tennis player from Leicester (born 1996), four-time WTA singles titlist (Nottingham 2023 and 2024, San Diego 2024, Ostrava 2026), career-high world No. 23, British No. 1 and Billie Jean King Cup regular.
Katie Volynets
Katie Volynets, American tennis player (born 2001, Walnut Creek, California, Ukrainian family), career-high WTA No. 56 in 2024, WTA 125 titles at Makarska 2024 and Philadelphia 2026, 2023 Australian Open third round.
Keaton Hance
Keaton Hance (born 2008, Torrance, California) is an American tennis player, 2026 Australian Open boys' singles runner-up and Roland Garros junior semifinalist, coached by Ken Hance.
Kei Nishikori (錦織圭)
Kei Nishikori (錦織圭), born 1989 in Shimane, Japan, is a Japanese tennis player, career-high world No. 4, 2014 US Open finalist, Rio 2016 Olympic bronze medalist, 12 ATP titles, retiring after the 2026 season.
Ken Flach
Ken Flach (Kenneth Eliot Flach, 1963-2018), American doubles world No. 1 tennis player; with Robert Seguso won 1988 Seoul Olympic gold, four Grand Slam men's doubles titles, and two mixed doubles titles.
Ken Rosewall
Ken Rosewall (born 2 November 1934, Sydney), nicknamed "Muscles", is an Australian tennis player who won 8 Grand Slam singles and 18 total major titles across amateur, professional, and Open eras, never won Wimbledon, and remains the oldest Open-era major champion at 37.
Ken Skupski
Ken Skupski is a retired British doubles tennis player from Liverpool, older brother of Neal Skupski. Seven ATP titles, career-high doubles No. 44 in 2010, 2010 Commonwealth Games silver, retired at Wimbledon 2022.
Kevin Anderson (tennis)
Kevin Anderson, South African tennis player (born Johannesburg), 2.03 m big server; career-high ATP No. 5 (July 2018), seven titles, runner-up at 2017 US Open and 2018 Wimbledon; retired 2022 with 354-253 record.
Kiki Bertens
Kiki Bertens, Dutch tennis player, former world No. 4 (13 May 2019), highest-ranked Dutchwoman ever; 10 WTA singles titles, Madrid 2019 and Cincinnati 2018 champion; retired after Tokyo 2020 Olympics.
Kim Clijsters
Kim Clijsters, Belgian tennis champion (born 1983, Bilzen), world No. 1 for 20 weeks, winner of four Grand Slam singles titles (US Open 2005, 2009, 2010; Australian Open 2011) and 41 singles titles, famed for comebacks as a mother.
Kristina Liutova
Kristina Liutova (born 2010) is a Russian tennis player who won the 2026 WTA Memphis title on her tour debut at 16, reached WTA No. 114, and won W100 ITF titles at Indian Harbour Beach and Sumter.
Kristina Mladenovic
Kristina Mladenovic, also known as Kiki Mladenovic, is a French tennis player and former WTA Doubles World No. 1 with six women's and three mixed doubles Grand Slam titles.
Kristina Penickova
Kristina Penickova (born 2009) is an American tennis player, identical twin of Annika Penickova; 2025 ITF junior girls' World Champion and year-end junior No. 1, Australian Open girls' finalist.
Kristýna Plíšková
Kristýna Plíšková (born 1992, Louny), Czech left-handed tennis player, twin sister of Karolína Plíšková; 2010 Wimbledon girls' champion, WTA record 31 aces in a match, career-high No. 35, 2016 Tashkent singles title.
Ksenia Efremova (Ксения Ефремова)
Ksenia Efremova (Ксения Ефремова) is a French tennis player, born in Moscow in 2009, who won the 2026 Australian Open girls' singles title and became the youngest ITF champion since 2003.
Kyle Edmund
Kyle Edmund (born 1995, Johannesburg) is a British former tennis player, career-high No. 14, 2018 Australian Open semifinalist, two ATP titles (Antwerp 2018, New York 2020), 2015 Davis Cup champion; retired August 2025 after knee injuries.
Larry King (tennis)
Larry W. King (died May 29, 2026, aged 81) was an American lawyer and sports entrepreneur, ex-husband of Billie Jean King, who co-built the Virginia Slims Circuit, helped found the WTA in 1973, planned the Battle of the Sexes, and co-founded World TeamTennis, Roller Hockey International, and bridge ventures.
Laura Robson
Laura Robson, British former tennis player, 2008 Wimbledon girls' singles champion at 14, 2012 Olympic mixed doubles silver medalist with Andy Murray, career-high WTA No. 27 in 2013, retired 2022 through injury, now a broadcaster and tournament director at Nottingham and Queen's Club.
Lauren Davis
Lauren Davis (born 1993, Gates Mills, Ohio) is a retired American tennis player, career-high No. 26, two WTA titles (Auckland 2017, Hobart 2023), famous for the 2018 Halep Australian Open marathon and 2019 Kerber upset.
Laurie Doherty
Laurie Doherty (Hugh Lawrence Doherty, 1875-1919), English tennis player, 1900 Olympic singles and doubles gold medalist, five-time Wimbledon singles champion, and first player to win a major outside his home country.
Laver Cup
The Laver Cup is an annual men's team tennis competition between six European players and six from the rest of the world, first held in Prague in 2017.
Lawn Tennis Association
The Lawn Tennis Association (LTA) is the national governing body of tennis in Great Britain, the Channel Islands, and the Isle of Man, promoting the sport at every level.
Leander Paes
Leander Paes (born 1973, Kolkata), Indian tennis great; 18 Grand Slam doubles titles (8 men's, 10 mixed), 1996 Olympic singles bronze, seven Olympics, record Davis Cup doubles wins, Hall of Fame 2024.
Learner Tien
Learner Tien (born 2005) is an American left-handed tennis player from Irvine, California; 2025 Australian Open fourth-round qualifier who upset Medvedev, 2025 Moselle Open champion and 2025 Next Gen ATP Finals winner.
Lewis Burton
Lewis Burton (born 1992), British former pro tennis player, model, entrepreneur; Wimbledon 2010 boys' doubles finalist with George Morgan; career-high ATP rankings 626 singles, 218 doubles.
Leylah Fernandez
Leylah Annie Fernandez (born 2002, Montreal) is a Canadian left-handed tennis player, 2021 US Open finalist, six-time WTA singles titlist (Monterrey, Hong Kong, Washington DC, Osaka, Singapore), and 2023 Billie Jean King Cup champion with Canada.
Li Na (李娜)
Li Na (李娜), born 1982 in Wuhan, Chinese tennis player, first Asian Grand Slam singles champion (2011 French Open, 2014 Australian Open), world No. 2, Hall of Fame 2019, retired 2014.
Li Ting (olympedia 94200)
Li Ting (李婷), born 1980 in Hubei, Chinese tennis doubles specialist, Olympedia athlete 94200; won women's doubles gold at Athens 2004 with Sun Tiantian, China's first Olympic tennis gold; distinct from the 1987-born diver of the same name.
Liam Broady
Liam Broady, British left-handed tennis pro from Stockport; 2011 Wimbledon boys' singles runner-up, career-high world No. 93 (2023), beat Ruud at Wimbledon 2023, Naomi Broady's brother.