Stadium: Court 2 Round: 25 Ground: Hardcourt indoor
| ITF Kuwait F2 | 2018/11/04 08:20 | Mousa Alkotop v Daisuke Sumizawa | 4-6,6-7 |
| ITF Kuwait F2 | 2018/11/03 11:00 | Francis Pare v Daisuke Sumizawa | 3-6,1-6 |
| ITF Thailand F6 | 2018/10/09 07:45 | Tsung-Hao Huang v Daisuke Sumizawa | 6-2,6-3 |
| ITF Thailand F6 | 2018/10/08 02:30 | Natthasith Kunsuwan v Daisuke Sumizawa | 2-6,2-6 |
| ITF Thailand F6 | 2018/10/06 05:30 | Daisuke Sumizawa v Kousuke Ogura | 6-3,6-2 |
| ITF Thailand F5 | 2018/10/01 02:30 | Felix Corwin v Daisuke Sumizawa | 6-1,6-2 |
| ITF Thailand F5 | 2018/09/30 02:30 | Daisuke Sumizawa v Thanapet Chanta | 2-6,7-5,6-2 |
| ITF Thailand F5 | 2018/09/29 02:30 | Daisuke Sumizawa v Cheong Hwi Kim | 6-4,6-1 |
| ITF Kuwait F1 | 2018/11/01 07:00 | Alec Adamson v Marc Dijkhuizen | 6-4,6-0 |
| ITF Kuwait F1 | 2018/10/30 07:00 | Mubarak Shannan Zayid v Marc Dijkhuizen | 6-2,5-7,1-6 |
| ITF Portugal F21 | 2018/10/16 10:30 | Marc Dijkhuizen v Fred Gil | 1-6,2-6 |
| ITF Switzerland F4 | 2018/08/28 12:20 | Marc Dijkhuizen v Christian Lindell | 1-6,2-6 |
| ITF Netherlands F5 | 2018/08/22 08:00 | Marc Dijkhuizen v Tom Kocevar-Desman | 3-6,4-6 |
| ITF Netherlands F5 | 2018/08/21 12:20 | Marc Dijkhuizen v Ruben Konings | 6-2,6-1 |
| ITF Netherlands F4 | 2018/08/14 10:00 | Marc Dijkhuizen v Niels Lootsma | 1-6,2-6 |
| ITF Finland F1 | 2018/07/31 08:35 | Marc Dijkhuizen v Hugo Pontico | 4-6,5-7 |