Stadium: Court 8 Round: 54 Ground: Synthetic outdoor
| ITF M15 Akishima | 2019/06/11 00:00 | Tamaki Yamao v Taisei Miyamoto | 6-4,2-6,10-4 |
| ITF M15 Kashiwa | 2019/04/04 05:30 | Sho Shimabukuro v Tamaki Yamao | 6-2,2-6,6-2 |
| ITF M15 Kashiwa | 2019/04/03 03:05 | Tamaki Yamao v Naoki Tajima | 6-1,3-6,6-2 |
| ITF M15 Kashiwa | 2019/04/01 00:00 | Ryota Tanuma v Tamaki Yamao | 6-7,4-6 |
| ITF M15 Kashiwa | 2019/04/01 00:00 | Tamaki Yamao v Mick Veldheer | 6-1,6-4 |
| 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 | Tamaki Yamao v Hao Yuan Ng | 6-3,6-2 |
| ITF M15 Kofu | 2019/03/21 02:00 | Hiroyasu Ehara v Tamaki Yamao | 6-3,4-6,6-0 |
| ITF M15 Guam | 2019/06/06 03:00 | Jordi Samper-Montana v Len Schouten | 6-4,7-5 |
| ITF M15 Guam | 2019/06/05 02:20 | Len Schouten v David Barclay | 6-2,6-3 |
| ITF M15 Karuizawa | 2019/05/29 04:10 | Len Schouten v Sora Fukuda | 0-6,5-7 |
| Full List | 2019/05/06 10:00 | Len Schouten v Muthu A Senthilkumar | 5-7,3-6 |
| Full List | 2019/05/06 05:30 | Len Schouten v DeMark Schulze | 6-1,6-0 |
| ITF M15 Accra | 2019/05/02 10:50 | Len Schouten v Ryan James Storrie | 1-6,4-6 |
| ITF M15 Accra | 2019/05/01 12:40 | Len Schouten v Johnson Acquah | 6-2,6-4 |
| ITF Tunisia F36 | 2018/10/14 12:00 | Yannik Steinegger v Len Schouten | 7-5,6-1 |