Stadium: Centre Court(Cc14) Round: 29
| ITF Singapore F2 | 2018/05/24 03:00 | Daniel Nolan v Takuto Niki | 6-1,6-7,4-6 |
| ITF Singapore F2 | 2018/05/23 02:00 | Takuto Niki v Nicholas S. Hu | 6-4,6-4 |
| ITF Singapore F2 | 2018/05/22 03:50 | James Frawley v Takuto Niki | 6-2,4-6,1-6 |
| Challenger Seoul Qual | 2018/04/28 03:05 | Ho-Gi Kang v Takuto Niki | 6-7,6-2,0-6 |
| ITF Japan F6 | 2018/04/11 01:00 | Makoto Ochi v Takuto Niki | 7-5,6-3 |
| ITF Japan F5 | 2018/04/04 01:00 | Takuto Niki v Hiroyasu Ehara | 2-6,6-2,4-6 |
| ITF Japan F5 | 2018/04/02 05:40 | Takuto Niki v Yuta Shimizu | 6-2,6-4 |
| ITF Japan F4 | 2018/03/28 02:40 | Takuto Niki v Naoki Tajima | 5-7,6-7 |
| ITF Singapore F2 | 2018/05/25 03:00 | Kazuki Nishiwaki v Collin Altamirano | 7-5,2-6,3-6 |
| ITF Singapore F2 | 2018/05/24 03:00 | Collin Altamirano v Shintaro Imai | 6-2,6-2 |
| ITF Singapore F2 | 2018/05/23 02:00 | Collin Altamirano v Karunuday Singh | 6-2,6-3 |
| ITF Singapore F2 | 2018/05/22 02:00 | Collin Altamirano v Hong Kit Wong | 6-0,3-6,6-3 |
| ITF China F6 | 2018/05/16 02:00 | Patrik Niklas-Salminen v Collin Altamirano | 7-6,7-5 |
| ITF China F6 | 2018/05/14 04:35 | Francis Casey Alcantara v Collin Altamirano | 1-6,0-6 |
| ITF USA F10 | 2018/04/13 16:20 | Harrison Adams v Collin Altamirano | 4-6,6-3,6-4 |
| ITF USA F10 | 2018/04/12 17:20 | Vasil Kirkov v Collin Altamirano | 1-6,7-5,2-6 |