Stadium: Court 5 Round: 62
| Korea F3, Singles Qualifying | 2018/06/17 03:00 | 정, 영훈 v Yun, Jae Won | 6-2,6-2 |
| Korea F3, Singles Qualifying | 2018/06/16 05:00 | Yun, Jae Won v 김, 청휘 | 6-0,5-7,6-1 |
| ITF Korea F2 | 2018/06/09 02:00 | Yun, Jae Won v 중, 현일 | 6-4,4-6,3-6 |
| ITF Korea F5 | 2017/06/25 01:00 | Shin, Geon Ju v Yun, Jae Won | 6-4,6-3 |
| Korea F3, Singles Qualifying | 2017/06/10 05:00 | Yun, Jae Won v 신, 승훈 | 3-6,2-6 |
| ITF Korea F2 | 2017/06/06 01:00 | Yun, Jae Won v Oh, Chan-Yeong | 2-6,0-6 |
| ITF Korea F1 Qual | 2017/05/27 02:00 | Yun, Jae Won v Kang, Hogi | 7-5,2-6,3-6 |
| ITF Egypt F33 | 2015/02/23 09:50 | Rossier, Simeon v Yun, Jae Won | 4-6,7-6,6-2 |
| Korea F3, Singles Qualifying | 2018/06/16 03:30 | Park, Jaeyoung v 김, 근준 | 1-6,0-6 |
| ITF Korea F3 | 2017/06/13 03:30 | Park, Jaeyoung v 이, 대희 | 4-6,2-6 |
| ITF Korea F2 Qual | 2017/06/05 03:00 | Lee, Dong-Kyu v Park, Jaeyoung | 6-2,6-2 |
| ITF Korea F2 Qual | 2017/06/03 02:00 | 박, 민종 v Park, Jaeyoung | 4-6,5-7 |
| ITF Korea F1 | 2017/05/31 05:40 | 엔구이엔, 다니엘 v Park, Jaeyoung | 6-3,6-1 |
| ITF Korea F1 Qual | 2017/05/29 01:00 | Park, Jaeyoung v Shin, Geon Ju | 6-3,6-4 |
| ITF Korea F1 Qual | 2017/05/28 01:00 | Seol, Jae-Min v Park, Jaeyoung | 6-2,4-6,4-6 |
| ITF Korea F1 Qual | 2017/05/27 01:00 | Park, Jaeyoung v Jung, Ki-Su | 7-5,6-3 |