Round: 25 Ground: Hardcourt outdoor
| ITF M15 Tsukuba | 2019/03/25 03:30 | Yuichi Ito v Ryuki Matsuda | 0-6,1-6 |
| ITF M15 Tsukuba | 2019/03/25 01:00 | Ryuki Matsuda v Ken Onishi | 6-2,6-3 |
| ITF M15 Kofu | 2019/03/18 00:30 | Masamichi Imamura v Ryuki Matsuda | 7-5,6-3 |
| ITF Japan F4 | 2018/03/27 01:00 | Tung-Lin Wu v Ryuki Matsuda | 6-0,6-2 |
| ITF Turkey F8 | 2018/02/25 07:30 | Ryuki Matsuda v Cengiz Aksu | 2-6,1-6 |
| ITF Turkey F8 | 2018/02/24 07:00 | Alexandros Dinopoulos v Ryuki Matsuda | 2-6,1-6 |
| ITF Turkey F6 | 2018/02/13 09:50 | Anil Yuksel v Ryuki Matsuda | 6-1,6-4 |
| ITF Turkey F6 | 2018/02/12 07:00 | Ryuki Matsuda v Koray Kirci | 6-3,6-1 |
| ITF M15 Tsukuba | 2019/03/25 04:30 | Mick Veldheer v Tamaki Yamao | 6-1,6-3 |
| ITF M15 Tsukuba | 2019/03/25 01:00 | Mick Veldheer v Kazuki Shimizu | 6-1,6-4 |
| ITF M15 Kofu | 2019/03/22 04:10 | Sho Shimabukuro v Mick Veldheer | 6-4,6-1 |
| ITF M15 Kofu | 2019/03/21 06:55 | Mick Veldheer v Gengo Kikuchi | 7-6,6-3 |
| ITF M15 Kofu | 2019/03/20 05:10 | Mick Veldheer v Kazuki Nishiwaki | 4-6,6-1,6-4 |
| ITF M15 Kofu | 2019/03/18 04:30 | Mick Veldheer v Shunrou Takeshima | 6-2,6-2 |
| ITF M15 Kofu | 2019/03/18 00:30 | Mick Veldheer v Ken Onishi | 7-5,6-2 |
| ITF M15 Oslo | 2019/03/10 10:00 | Emil Ruusuvuori v Mick Veldheer | 6-1,6-4 |