Stadium: Court 4 Round: 26 Ground: Hardcourt outdoor
| ITF - Nishi-Tokyo M15 | 2019/03/13 05:55 | Kousuke Ogura v Ryota Tanuma | 2-6,6-7 |
| ITF - Nishi-Tokyo M15 | 2019/03/12 03:20 | Ryota Tanuma v Sho Katayama | 6-4,2-6,10-5 |
| ITF - Nishi-Tokyo M15 | 2019/03/11 01:00 | Ryota Tanuma v Shao-Fan Liu | 7-6,6-3 |
| ITF - Mildura M25 | 2019/03/05 02:25 | Alec Adamson v Ryota Tanuma | 2-6,6-1,7-6 |
| ITF M25 Albury | 2019/02/28 01:45 | Brydan Klein v Ryota Tanuma | 6-3,6-2 |
| ITF M25 Albury | 2019/02/27 04:50 | Ryota Tanuma v Chanchai Sookton-Eng | 3-6,7-6,6-2 |
| ITF - Sharm El Sheikh M15 | 2019/02/19 08:00 | Michael Geerts v Ryota Tanuma | 6-3,6-1 |
| ITF Hong Kong F3 | 2018/12/25 02:00 | Jumpei Yamasaki v Ryota Tanuma | 4-6,7-6,6-4 |
| ITF - Nishi-Tokyo M15 | 2019/03/12 02:40 | Taisei Ichikawa v Blake Ellis | 6-7,4-6 |
| ITF M15 Nishi-Tama | 2019/03/06 02:30 | Jumpei Yamasaki v Blake Ellis | 7-5,6-4 |
| Challenger Yokohama | 2019/02/25 04:10 | Blake Ellis v Daniel Nguyen | 6-3,5-7,5-7 |
| Challenger Chennai | 2019/02/06 06:30 | Gastao Elias v Blake Ellis | 6-2,7-6 |
| Challenger Chennai | 2019/02/04 05:40 | Blake Ellis v Siddharth Vishwakarma | 6-2,6-2 |
| Challenger Launceston | 2019/01/28 23:00 | Lloyd Harris v Blake Ellis | 6-2,6-3 |
| Challenger Launceston | 2019/01/27 23:00 | Blake Ellis v Christopher O'Connell | 7-6,6-4 |
| Australian Open | 2019/01/08 01:20 | Dominik Koepfer v Blake Ellis | 3-6,6-0,6-3 |