Annika Penickova
Annika Penickova is an American tennis player. She has a career-high ITF junior combined ranking of No. 16, achieved on March 3, 2025. She and her identical twin sister, Kristina Penickova, won the girls' doubles title at the 2025 Australian Open.
Early life
Penickova was born in Campbell, California, to Tomáš Pěnička and Olga Hostáková. Her parents are both former tennis players from the Czech Republic; her father was ranked as high as No. 884 by the ATP. Her uncle is former Czech ice hockey player Martin Hosták. Her grandparents live in Hradec Králové.Her identical twin sister, Kristina, also plays tennis. Both sisters are coached by their father. They began their careers at Bay Club Courtside in Los Gatos, California, and currently live and train at the USTA National Campus in Orlando, Florida.
Junior career
In February 2023, Penickova and her sister reached the doubles semifinals of the Petits As. Later that year, she competed in the girls' 14&U singles tournament of the Wimbledon Championships and was selected to represent the United States at the ITF World Junior Championship in Prostějov. In September 2023, she and her sister reached the girls' doubles quarterfinals of the US Open.In September 2024, she reached the girls' singles quarterfinals of the US Open, upsetting fifth seed Jeline Vandromme in the process. Later that year, she and her sister participated in the Garden Cup, an exhibition at Madison Square Garden.
In January 2025, she and her sister reached the girls' doubles final of the Australian Open, where they won the title in straight sets over Emerson Jones and Hannah Klugman. At the French Open, she and her sister reached the girls' doubles semifinals.
Professional career
In May 2025, Penickova won her first professional doubles title at the W15 Magic Hotel Tours series in Monastir, partnering her sister and defeating Arina Arifullina and Inês Murta in the final.ITF Circuit finals
Singles: 1 (runner-up)
| Result | W–L | Date | Tournament | Tier | Surface | Opponent | Score | |||||||||||||||
| Loss | 0–1 | Oct 2025 | ITF Hilton Head Island, United States | W15 | Hard |  Doubles: 2 (2 titles)
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