Stadium: Court 8 Round: 25
| ITF Women Gimcheon | 2018/08/15 03:40 | Ya Yun Pai v Han, Sung-Hee | 5-7,4-6 |
| ITF Women Daegu Qual | 2018/06/19 01:00 | Han, Sung-Hee v Jeong, Yeong Won | 3-6,4-6 |
| ITF Women Daegu Qual | 2018/06/18 03:30 | Han, Sung-Hee v Song, Ah | 7-5,6-4 |
| ITF Women Gyeongsan | 2018/06/13 05:15 | Yea, Hyojung v Han, Sung-Hee | 6-4,6-2 |
| ITF Women Sangju | 2018/06/06 03:10 | Lee, Jin Ju v Han, Sung-Hee | 0-6,6-3,6-1 |
| Hua Hin, Singles W-WITF-THA-07A | 2017/07/19 03:00 | Han, Sung-Hee v Tatachar Venugopal, Dhruthi | 4-6,2-6 |
| Hua Hin, Singles W-WITF-THA-07A | 2017/07/18 08:15 | Han, Sung-Hee v Gabueva, Angelina | 1-6,6-4,6-3 |
| Hua Hin, Singles W-WITF-THA-07A | 2017/07/12 03:00 | Kim, SE-Hyun v Han, Sung-Hee | 6-1,6-1 |
| ITF Women Gimcheon | 2018/08/15 01:00 | Kitagawa, Rio v Natarajan, Ramya | 1-6,1-6 |
| ITF Women Taipei | 2018/07/23 03:00 | Kitagawa, Rio v Chang, Ting-Pei | 6-2,4-6,4-6 |
| ITF Women Jakarta | 2018/07/17 07:00 | Zhibek Kulambayeva v Kitagawa, Rio | 6-2,6-1 |
| ITF Women Solo | 2018/07/10 06:00 | Du, Zhima v Kitagawa, Rio | 6-3,6-2 |
| ITF Women Daegu Qual | 2018/06/19 01:00 | Okuno, Ayaka v Kitagawa, Rio | 6-0,7-6 |
| ITF Women Daegu Qual | 2018/06/18 01:00 | Bizhukova, Fatima v Kitagawa, Rio | 2-6,0-6 |
| ITF Women Gyeongsan | 2018/06/12 02:55 | Kitagawa, Rio v Okuno, Ayaka | 2-6,4-6 |
| ITF Women Sangju | 2018/06/05 01:00 | Kitagawa, Rio v Jeong, Sunam | 0-6,3-6 |