Cho Yoon-jeong (Korean: 조윤정, born 2 April 1979) is a South Korean former tennis player.

Cho Yoon-jeong
Country (sports) South Korea
ResidenceSeoul, Korea
Born (1979-04-02) 2 April 1979 (age 45)
Andong, Korea
Height1.67 m (5 ft 6 in)
Turned pro1996
Retired2008
PlaysRight-handed (two-handed backhand)
Prize money$603,590
Singles
Career record255–180
Career titles5 ITF
Highest rankingNo. 45 (14 July 2003)
Grand Slam singles results
Australian Open2R (2003)
French Open1R (2002, 2003, 2005)
Wimbledon2R (2003, 2005)
US Open3R (2002, 2005)
Doubles
Career record116–84
Career titles1 WTA, 10 ITF
Highest rankingNo. 98 (22 September 2003)
Grand Slam doubles results
Australian Open1R (1999, 2006)
French Open1R (2005)
Wimbledon1R (1998, 2004)
US Open2R (2003)

In her career, she won one doubles title on the WTA Tour, at Seoul in 2004. Her best Grand Slam performance came when she made the third round of the 2005 US Open by defeating Arantxa Parra Santonja in three sets in the first round, upsetting the 27th seed Gisela Dulko in the second round, before she fell to No. 7, Justine Henin. She reached career-high WTA rankings of No. 45 in singles (in July 2003), and No. 98 in doubles (in September 2003).

Yoon-jeong retired from professional tennis in 2008.

WTA career finals

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Singles: 3 (3 runner-ups)

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Legend
Tier I (0–0)
Tier II (0–0)
Tier III (0–0)
Tier IV & V (0–3)
Result Date Tournament Surface Opponent Score
Loss Nov 2002 Pattaya Open, Thailand Hard   Angelique Widjaja 2–6, 4–6
Loss Jan 2003 Auckland Open, New Zealand Hard   Eleni Daniilidou 4–6, 6–4, 6–7(2–7)
Loss Jan 2006 Canberra International, Australia Hard   Anabel Medina Garrigues 4–6, 6–0, 4–6

Doubles: 2 (1 title, 1 runner-up)

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Result Date Tournament Surface Partner Opponents Score
Loss Jul 2003 Stanford Classic, United States Hard   Francesca Schiavone   Cara Black
  Lisa Raymond
6–7(5–7), 1–6
Win Oct 2004 Seoul Open, South Korea Hard   Jeon Mi-ra   Chuang Chia-jung
  Hsieh Su-wei
6–3, 1–6, 7–5

ITF Circuit finals

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Singles: 13 (5–8)

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Legend
$100,000 tournaments
$75,000 tournaments
$50,000 tournaments
$25,000 tournaments
$10,000 tournaments
Outcome No. Date Tournament Surface Opponent Score
Runner-up 1. 31 March 1996 ITF Jakarta, Indonesia Hard   Choi Young-ja 2–6, 1–6
Winner 2. 6 April 1997 ITF Jakarta Hard   Choi Young-ja 6–4, 6–1
Runner-up 3. 13 April 1997 ITF Jakarta Hard   Choi Young-ja 1–6, 5–7
Winner 4. 18 February 2001 ITF Midland, United States Hard   Tara Snyder 6–3, 6–1
Runner-up 5. 18 February 2001 ITF Seoul, South Korea Hard   Miho Saeki 3–6, 0–6
Runner-up 6. 25 November 2001 ITF Nuriootpa, Australia Hard   Saori Obata 4–6, 1–6
Winner 7. 21 July 2002 ITF Oyster Bay, United States Hard   Irina Selyutina 7–6(5), 6–4
Winner 8. 24 November 2002 ITF Nuriootpa Hard   Alicia Molik 6–4, 6–1
Runner-up 9. 8 June 2003 ITF Surbiton, United Kingdom Grass   Kristina Brandi 1–6, 3–6
Runner-up 10. 21 November 2004 ITF Nuriootpa Hard   Evie Dominikovic 4–6, 7–5, 4–6
Runner-up 11. 28 November 2004 ITF Mount Gambier, Australia Hard   Evie Dominikovic 5–7, 3–6
Runner-up 12. 13 February 2005 ITF Midland Hard   Laura Granville 3–6, 6–3, 6–7(6)
Winner 13. 20 March 2005 ITF Orange, United States Hard   Julia Schruff 7–6(3), 6–1

Doubles: 16 (10–6)

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Outcome No. Date Tournament Surface Partner Opponents Score
Runner-up 1. 13 April 1997 ITF Jakarta, Indonesia Hard   Won Kyung-joo   Jasmine Choudhury
  Lizzie Jelfs
4–6, 6–7
Winner 2. 5 May 1997 ITF Seoul Clay   Kim Eun-ha   Choi Young-ja
  Park Sung-hee
6–3, 7–6(6)
Runner-up 3. 3 May 1998 ITF Gifu, Japan Grass   Park Sung-hee   Catherine Barclay
  Kerry-Anne Guse
6–7(3), 4–6
Winner 4. 10 May 1998 ITF Seoul Clay   Park Sung-hee   Ding Ding
  Li Ting
6–1, 3–6, 6–2
Winner 5. 21 March 1999 ITF Noda, Japan Hard   Park Sung-hee   Shinobu Asagoe
  Yuka Yoshida
6–3, 6–3
Winner 6. 2 May 1999 ITF Gifu Carpet   Chae Kyung-yee   Shiho Hisamatsu
  Nana Miyagi
6–2, 4–6, 6–2
Runner-up 7. 24 May 1999 ITF Warsaw, Poland Clay   Park Sung-hee   Magda Mihalache
  Jelena Kostanić Tošić
1–6, 3–6
Winner 8. 31 January 2000 ITF Clearwater, United States Hard   Yi Jing-Qian   Sandra Cacic
  Lindsay Lee-Waters
6–4, 7–6(7)
Winner 9. 28 May 2000 ITF Ho Chi Minh City, Vietnam Hard   Saori Obata   Li Na
  Li Ting
6–1, 6–2
Runner-up 10. 28 October 2000 ITF Seoul Hard   Jeon Mi-ra   Surina De Beer
  Marlene Weingärtner
2–4, 1–4, 4–1
Winner 11. 1 May 2002 ITF Gifu Grass   Evie Dominikovic   Shinobu Asagoe
  Rika Fujiwara
6–2, 6–2
Winner 12. 12 May 2002 ITF Fukuoka, Japan Hard   Shinobu Asagoe   Julie Pullin
  Lorna Woodroffe
6–2, 6–4
Winner 13. 2 May 2004 ITF Gifu Carpet   Jeon Mi-ra   Chuang Chia-jung
  Wynne Prakusya
7–6(4), 6–2
Winner 14. 15 November 2004 ITF Nuriootpa Hard   Kim Jin-hee   Evie Dominikovic
  Daniella Jeflea
7–5, 6–2
Runner-up 15. 4 May 2008 ITF Gimcheon, South Korea Hard   Kim Jin-hee   Chan Chin-wei
  Jarmila Gajdošová
2–6, 0–6
Runner-up 16. 11 May 2008 ITF Changwon, South Korea Hard   Kim Jin-hee   Chang Kyung-mi
  Lee Jin-a
5–7, 2–6
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