Kristina Antoniychuk

Khrystyna Antoniichuk or Antoniychuk (; born 4 September 1990) is a former professional tennis player from Ukraine. Her highest WTA singles ranking is 163, which she reached on 8 March 2010. Her career-high in doubles is 275, which she achieved on 12 April 2010.

Antoniichuk's last appearance on the ITF Circuit was in April 2010.

ITF Circuit finals Legend$50,000 tournaments$25,000 tournaments$10,000 tournaments

Singles: 6 (4 titles, 2 runner-ups) ResultNo.DateTournamentSurfaceOpponentScoreWin 1. 16 July 2006 ITF Dnipropetrovsk, Ukraine Clay Andreja Klepač 6–3, 6–7(5), 6–4Loss 2. 14 August 2007 ITF Penza, Russia Clay Anna Lapushchenkova 6–4, 6–2Win 3. 21 July 2008 ITF Kharkiv, Ukraine Clay Irina Buryachok 6–3, 4–6, 6–1Win 4. 27 April 2009 ITF Namangan, Uzbekistan Hard Tetyana Arefyeva 6–0, 6–1Win 5. 18 May 2009 ITF Kharkiv, Ukraine Clay Oksana Kalashnikova 4–6, 6–4, 6–1Loss 6. 8 June 2009 ITF Qarshi, Uzbekistan Hard Irini Georgatou 6–1, 3–1 ret.

Doubles: 7 (3 titles, 4 runner-ups) ResultNo.DateTournamentSurfacePartnerOpponentsScoreWin 1. 3 July 2005 ITF Heerhugowaard, Netherlands Clay Ana Veselinović Marrit Boonstra Nicole Thyssen 1–6, 6–2, 7–5Loss 2. 22 July 2006 ITF Dnipropetrovsk, Ukraine Clay Evgeniya Rodina Olena Antypina Nina Bratchikova 6–1, 5–7, 7–5Loss 3. 13 August 2006 Ladies Open Hechingen, Germany Clay Raluca Olaru Eva Fislová Stanislava Hrozenská 6–3, 6–7(3), 6–3Loss 4. 25 July 2008 ITF Kharkiv, Ukraine Clay Lesia Tsurenko Mihaela Buzărnescu Oksana Kalashnikova 6–1, 6–4Win 5. 12 June 2009 ITF Qarshi, Uzbekistan Hard Oksana Kalashnikova Pemra Özgen Çağla Büyükakçay 5–7, 6–0, [10–6]Loss 6. 24 July 2009 ITF Kharkiv, Ukraine Clay Irina Buryachok Monique Adamczak Nicole Kriz 6–3, 7–6(4)Win 7. 22 March 2010 ITF Namangan, Uzbekistan Hard Ksenia Lykina Karolina Kosińska Lenka Wienerová 6–3, 5–7, [10–8]