Name: Ji Yun Yun
Country: Republic of Korea
Birthdate: 16.03.96, 29 years
Matches total: 47
Win: 15
%: 31.91 %
Country: Republic of Korea
Birthdate: 16.03.96, 29 years
Matches total: 47
Win: 15
%: 31.91 %
| year | summary | Hard | Clay | I. hard | Carpet | Grass | Acrylic |
| 2018 | 1/3 | 1/2 | 0/0 | 0/1 | 0/0 | 0/0 | 0/0 |
| 2017 | 4/5 | 4/5 | 0/0 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2016 | 6/8 | 6/8 | 0/0 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2015 | 2/7 | 2/7 | 0/0 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2014 | 2/6 | 2/6 | 0/0 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2013 | 0/3 | 0/3 | 0/0 | 0/0 | 0/0 | 0/0 | 0/0 |
| TOTAL | 15/32 | 15/31 | 0/0 | 0/1 | 0/0 | 0/0 | 0/0 |
| perc. % | 31.91 % | 32.61 % | 0 % | 0 % | 0 % | 0 % | 0 % |
Ji Yun Yun / scheduled / last
| no matches found |
Ji Yun Yun form / surface: Hard
Ji Yun Yun / surface: Hard
| 02.09.18 | q 2 | Jiwoo Mun | Ji Yun Yun | 6-4, 3-6, 6-3 |  | match details |  Yeongwol | Hard |
| 11.06.18 | q 2 | Haine Ogata | Ji Yun Yun | 6-4, 2-6, 6-1 | | match details | Gyeongsan | Hard |
| 10.06.18 | q 1 | Ji Yun Yun | Suhyeon Lee | 6-0, 6-0 |  | match details | ||
| 28.08.17 | q 1 | Dayeon Back | Ji Yun Yun | 6-2, 6-2 | | match details | Yeongwol | Hard |
| 12.06.17 | q 1 | Ji Yun Yun | Hyejin Lee | 6-4, 2-6, 6-4 | | match details | Gimcheon | Hard |
| 12.06.17 | q 2 | Ji Yun Yun | Soyeon Park | 7-65, 2-6, 6-1 | | match details | ||
| 12.06.17 | qual. | You-Na Sul | Ji Yun Yun | 6-3, 6-1 | | match details | ||
| 05.06.17 | q 2 | You-Na Sul | Ji Yun Yun | 6-4, 6-4 | | match details | Gimcheon | Hard |
| 05.06.17 | q 1 | Ji Yun Yun | Eunji Lee | 6-1, 6-0 | | match details | ||
| 29.05.17 | q 2 | So Hee Jung | Ji Yun Yun | 6-0, 6-3 | | match details | Sangju | Hard |
| 15.05.17 | q 1 | Ji Yun Yun | Yuseung Suh | 6-3, 6-3 | | match details | Incheon | Hard |
| 15.05.17 | q 2 | Yujin Ahn | Ji Yun Yun | 6-2, 7-5 | | match details | ||
| 05.09.16 | q 1 | Hyojin Kong | Ji Yun Yun | 6-3, 6-1 | | match details | Yeongwol | Hard |
| 11.07.16 | q 1 | Frederikke Svarre | Ji Yun Yun | 6-1, 6-75, 6-4 | | match details | Gimcheon | Hard |
| 04.07.16 | q 1 | Alexandra Bozovic | Ji Yun Yun | 6-1, 6-3 | | match details | Gimcheon | Hard |
| 20.06.16 | q 2 | Ji Yun Yun | Sangbong Bark | 6-2, 3-6, 6-2 | | match details | Sangju | Hard |
| 20.06.16 | qual. | Seung Hee Han | Ji Yun Yun | 6-3, 6-0 | | match details | ||
| 20.06.16 | q 1 | Ji Yun Yun | Jae Young Jo | 6-0, 6-1 | | match details | ||
| 23.05.16 | q 2 | Yeong Won Jeong | Ji Yun Yun | 6-3, 6-1 | | match details | Incheon | Hard |
| 23.05.16 | q 1 | Ji Yun Yun | Eunji Lim | 6-1, 1-6, 7-5 | | match details | ||
| 11.04.16 | q 1 | Daniela Vukovic | Ji Yun Yun | 6-3, 6-0 | | match details |  Antalya | Hard |
| 04.04.16 | q 1 | Ji Yun Yun | Elena Griessner | 6-4, 6-3 | | match details | Antalya | Hard |
| 04.04.16 | q 2 | Ji Yun Yun | Annie Donaldson | 6-1, 6-2 | | match details | ||
| 04.04.16 | qual. | Silvia Njiric | Ji Yun Yun | 6-2, 6-1 | | match details | ||
| 28.03.16 | q 2 | Vasilisa Aponasenko | Ji Yun Yun | 6-1, 6-0 | | match details | Antalya | Hard |
| 28.03.16 | q 1 | Ji Yun Yun | Andrea Lippe | 6-0, 6-0 | | match details | ||
| 07.09.15 | q 1 | Na-Young Lee | Ji Yun Yun | 6-2, 6-2 | | match details | Yeongwol | Hard |
| 31.08.15 | q 1 | Ji Yun Yun | Robyn Beddow | 6-0, 6-1 | | match details | Yeongwol | Hard |
| 31.08.15 | q 2 | Mijeong Park | Ji Yun Yun | 4-6, 7-62, 6-2 | | match details | ||
| 24.08.15 | q 1 | Sujin Yoon | Ji Yun Yun | 6-3, 4-6, 6-3 | | match details | Gimcheon | Hard |
| 17.08.15 | q 1 | Ji Yun Yun | Kim Ha-Nul | 6-1, 6-0 | | match details | Gimcheon | Hard |
| 17.08.15 | q 2 | Hyojung Yea | Ji Yun Yun | 6-3, 6-2 | | match details | ||
| 22.06.15 | qual. | Jin Ju Lee | Ji Yun Yun | 1-6, 6-2, 6-3 | | match details | Gwangju | Hard |
| 15.06.15 | q 1 | So Hee Jung | Ji Yun Yun | 6-4, 6-3 | | match details | Incheon | Hard |
| 18.05.15 | q 1 | Varunya Wongteanchai | Ji Yun Yun | 6-4, 6-1 | | match details | Seoul | Hard |
| 25.08.14 | q 1 | Claire Yoonkee Choi Spackman | Ji Yun Yun | 6-3, 6-2 | | match details | Yeongwol | Hard |
| 30.06.14 | 1st round | Na-Lae Han | Ji Yun Yun | 6-1, 6-1 | | match details | Gimcheon | Hard |
| 30.06.14 | qual. | Mami Hasegawa | Ji Yun Yun | 6-711, 7-5, 6-2 | | match details | ||
| 30.06.14 | q 2 | Ji Yun Yun | Yun-Hee Kim | 6-4, 3-0, Yun-Hee Kim - retired | | match details | ||
| 23.06.14 | q 2 | Yunjeong Park | Ji Yun Yun | 2-6, 6-1, 7-5 | | match details | Gimcheon | Hard |
| 16.06.14 | q 2 | Jaeyeon Kim | Ji Yun Yun | 6-3, 7-5 | | match details | Gimcheon | Hard |
| 16.06.14 | q 1 | Ji Yun Yun | Dabin Oh | 6-2, 1-6, 6-2 | | match details | ||
| 26.05.14 | q 1 | Hyun-Hui Hong | Ji Yun Yun | 6-1, 6-1 | | match details | Changwon | Hard |
| 17.06.13 | q 1 | So-Hyun Bae | Ji Yun Yun | 6-4, 3-6, 6-4 | | match details | Gimcheon | Hard |
| 10.06.13 | q 1 | You-Na Sul | Ji Yun Yun | 6-0, 6-0 | | match details | Gimcheon | Hard |
| 27.05.13 | q 1 | Jin Yoo | Ji Yun Yun | 6-2, 6-2 | | match details | Changwon | Hard |
