Stadium: Court 4 Round: 45 Ground: Hardcourt outdoor
| ITF Japan F5 | 2017/04/01 02:00 | Rimpei Kawakami v Daisuke Sumizawa | 7-5,6-4 |
| ITF M15 Nishi-Tokyo | 2019/03/11 03:30 | Rimpei Kawakami v Tsung-Hao Huang | 6-3,6-1 |
| ITF M25 Mildura | 2019/03/04 23:00 | Rimpei Kawakami v Alexander Klintcharov | 6-2,5-7,5-10 |
| ITF M25 Mildura | 2019/03/03 23:00 | Rimpei Kawakami v Benard Bruno Nkomba | 6-2,6-3 |
| ITF M25 Albury | 2019/02/25 23:30 | Rimpei Kawakami v Chanchai Sookton-Eng | 3-6,6-4,10-12 |
| ITF M25 Albury | 2019/02/24 23:30 | Rimpei Kawakami v Tomislav E Papac | 4-6,6-4,10-7 |
| ITF Egypt F28 | 2018/11/23 08:00 | Adam Moundir v Rimpei Kawakami | 6-3,7-6 |
| ITF Egypt F28 | 2018/11/22 09:05 | Rimpei Kawakami v Alexander Weis | 6-0,6-2 |
| ITF Egypt F28 | 2018/11/21 09:20 | Aziz Ouakaa v Rimpei Kawakami | 6-4,1-6,4-6 |
| ITF M15 Nishi-Tokyo | 2019/03/11 03:30 | Daisuke Sumizawa v Quentin Folliot | 6-2,6-2 |
| ITF M15 Nishi-Tama | 2019/03/06 03:20 | Yuki Mochizuki v Daisuke Sumizawa | 6-1,7-6 |
| ITF M15 Nishi-Tama | 2019/03/05 01:00 | Kazuki Shimizu v Daisuke Sumizawa | 2-6,2-6 |
| ITF M15 Anning | 2019/01/07 01:30 | Daisuke Sumizawa v Ye Cong Mo | 1-6,4-6 |
| ITF M15 Anning | 2018/12/31 05:00 | Daisuke Sumizawa v Yuichiro Inui | 4-6,2-6 |
| ITF M15 Anning | 2018/12/31 01:30 | Daisuke Sumizawa v Baoluo Zheng | 6-2,7-6 |
| ITF Kuwait F2 | 2018/11/10 07:45 | Peter Heller v Daisuke Sumizawa | 6-3,6-4 |
| ITF Kuwait F2 | 2018/11/09 07:15 | Ergi Kirkin v Daisuke Sumizawa | 2-6,3-6 |