Round: 28 Ground: Hardcourt outdoor
| ITF M15 Tsukuba | 2019/03/28 05:30 | Makoto Ochi v Mick Veldheer | 4-6,6-3,4-6 |
| ITF M15 Tsukuba | 2019/03/27 02:35 | Ryuki Matsuda v Mick Veldheer | 1-6,5-7 |
| 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 Tsukuba | 2019/03/29 01:00 | Gage Brymer v Jumpei Yamasaki | 3-6,7-6,5-7 |
| ITF M15 Tsukuba | 2019/03/28 01:00 | Yunosuke Tanaka v Jumpei Yamasaki | 2-6,6-1,3-6 |
| ITF M15 Tsukuba | 2019/03/27 02:25 | Jumpei Yamasaki v Masamichi Imamura | 6-1,4-6,6-4 |
| ITF M15 Kofu | 2019/03/24 01:30 | Jumpei Yamasaki v Sho Shimabukuro | 7-6,6-3 |
| ITF M15 Kofu | 2019/03/23 02:55 | Jumpei Yamasaki v Ryota Tanuma | 6-2,6-4 |
| ITF M15 Kofu | 2019/03/22 03:50 | Yusuke Takahashi v Jumpei Yamasaki | 3-6,1-6 |
| ITF M15 Kofu | 2019/03/21 04:10 | Jumpei Yamasaki v Min-Kyu Song | 7-5,6-1 |
| ITF M15 Kofu | 2019/03/19 01:00 | Keisuke Saitoh v Jumpei Yamasaki | 2-6,3-6 |