Stadium: Court 1 Round: 28 Ground: Clay
| ITF Korea F3 | 2018/06/23 03:55 | Takuto Niki v Ji Sung Nam | 3-6,6-4,1-6 |
| ITF Korea F3 | 2018/06/22 08:10 | Takuto Niki v Jae Hwan Kim | 6-3,6-4 |
| ITF Korea F3 | 2018/06/20 03:15 | Cheng-Yu Yu v Takuto Niki | 4-6,3-6 |
| ITF Korea F3 | 2018/06/19 07:10 | Soichiro Moritani v Takuto Niki | 0-6,0-6 |
| ITF Korea F2 | 2018/06/14 03:20 | Ji Hoon Son v Takuto Niki | 7-6,7-5 |
| ITF Korea F2 | 2018/06/13 04:55 | Takuto Niki v Min-Kyu Song | 3-6,7-5,6-3 |
| ITF Korea F1 | 2018/06/09 02:35 | Takuto Niki v Jeamoon Lee | 3-6,6-4,4-6 |
| ITF Korea F1 | 2018/06/08 03:30 | Takuto Niki v Hong Chung | 6-1,6-0 |
| ITF Austria F2 | 2018/07/09 13:25 | Alexander Weis v Jonas Trinker | 6-4,6-0 |
| ITF Austria F1 | 2018/07/04 11:30 | Jonas Trinker v Riccardo Bellotti | 6-3,4-6,2-6 |
| ITF Austria F1 | 2018/07/03 13:00 | Jonas Trinker v Arturs Lazdins | 6-3,6-4 |
| ITF Turkey F22 | 2018/06/07 07:30 | Jonas Trinker v Wilson Leite | 1-6,2-6 |
| ITF Turkey F22 | 2018/06/05 09:20 | Marc Dijkhuizen v Jonas Trinker | 1-6,3-6 |
| ITF Turkey F21 | 2018/05/31 11:10 | Christopher Heyman v Jonas Trinker | 6-7,6-3,7-6 |
| ITF Turkey F21 | 2018/05/29 07:30 | Mert Naci Turker v Jonas Trinker | 2-6,1-6 |
| ITF Sweden F3 | 2018/05/22 10:10 | Jonas Trinker v Alexander Ritschard | 3-6,1-6 |