| ITF Korea F1 Qual | 2017/05/27 02:00 | Sin, Dong-Hak v 조, 형진 | 6-3,6-4 |
| Challenger Seoul Qual | 2017/05/06 01:00 | Oh, Chan-Yeong v 조, 형진 | 6-1,6-2 |
| ITF Korea F1 Qual | 2016/06/11 01:00 | Kim, A-Ram v 조, 형진 | 6-0,6-3 |
| Turkey F15, Singles Qualifying | 2016/04/14 09:35 | 조, 형진 v Sieber, Marc | 1-6,1-6 |
| Turkey F15, Singles Qualifying | 2016/04/13 07:00 | 조, 형진 v Marfia, Matteo | 1-6,6-3,6-4 |
| Turkey F15, Singles Qualifying | 2016/04/11 08:00 | 그린코우스키, 피오트르 v 조, 형진 | 4-6,4-6 |
| Turkey F15, Singles Qualifying | 2016/04/10 08:00 | 조, 형진 v Goyal, Medhir | 6-1,6-0 |
| Turkey F14, Singles Qualifying | 2016/04/05 07:00 | 조, 형진 v 에주포비치, 엘마르 | 1-6,6-3,3-6 |
| ITF Korea F1 Qual | 2017/05/27 03:30 | Joo, Y. v Kim, A-Ram | 4-6,6-7 |