Marta Kostyuk

Marta Olehivna Kostyuk (Ukrainian: Марта Олегівна Костюк ; born 28 June 2002) is a Ukrainian professional tennis player. She has career-high WTA rankings of No. 15 in singles, achieved on 4 May 2025 and No. 27 in doubles, reached on 8 May 2023. She has won three WTA Tour singles titles, including a WTA 1000 event at the 2026 Madrid Open. She also reached the quarterfinals at the 2024 Australian Open in singles and won two titles in doubles. She is currently the No. 2 player from Ukraine.