Nadiia Kichenok
Nadiia Viktorivna Kichenok is a Ukrainian professional tennis player. On 31 January 2022, she reached a career-high of No. 29 in the WTA doubles rankings. Kichenok has won ten doubles titles on the WTA Tour, including four with her twin sister Lyudmyla. She has also won four singles titles and 24 doubles titles on the ITF Women's Circuit. On 6 January 2014, she also reached a career-high singles ranking of No. 100.
Career
Playing for Ukraine Fed Cup team, Kichenok has a win–loss record of 9–7 as of July 2025.In 2015, Nadiia and Lyudmyla came back from a 0–5 deficit in the second set tie-break of their 6–4, 7–6 defeat of Liang Chen and Wang Yafan in the 2015 WTA [Shenzhen Open|Shenzhen Open] final. That made the Kichenoks the second pair of twins, after Karolína and Kristýna Plíšková, to win a WTA Tour doubles title. They had previously been runners-up at Tashkent in 2011, and at Shenzhen in 2014.
Partnering with Raluca Olaru, she defeated Kaitlyn Christian and Sabrina Santamaria in the final to claim the doubles title at the 2021 St. Petersburg Ladies' Trophy. They also won the 2021 Chicago Women's Open, winning the final against her sister Lyudmyla and Makoto Ninomiya in a deciding champions tiebreak.
At the inaugural edition of the Tallinn Open in 2022, seeded third with her sister, she won her eighth title defeating top seeds Nicole Melichar and Laura Siegemund in the final.
At the 2023 Ladies Linz, she reached the final with Anna-Lena Friedsam, losing to Natela Dzalamidze and her partner Viktória Kužmová in a deciding champions tiebreak.
With her sister, she reached the quarterfinals at the 2024 Paris Olympics.
In Ukraine's 2024 Billie Jean King Cup play-offs tie against Austria, Kichenok partnered with Katarina Zavatska to defeat Sinja Kraus and Tamira Paszek in the deciding doubles match.
Partnering with her sister Lyudmyla, she was runner-up in the doubles at the 2025 Linz Open, losing to Tímea Babos and Luisa Stefani in the final which went to a deciding champions tiebreak.
Apparel and equipment
Nadiia Kichenok is sponsored by Mizuno and Wilson.WTA Tour finals
Doubles: 22 (11 titles, 11 runner-ups)
| Result | W–L | Date | Tournament | Tier | Surface | Partner | Opponents | Score | |||||||||||||||||||||||||||
| Loss | 0–1 | [2011 Tashkent Open – Doubles|] | Tashkent Open, Uzbekistan | International | Hard |  ITF Circuit finalsSingles: 11 (4 titles, 7 runner-ups)
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