Stadium: Court 4 Round: 25 Ground: Hardcourt outdoor
| ITF M15 Karuizawa | 2019/06/02 02:00 | Ko Suzuki v Yuki Mochizuki | 4-6,6-4,2-6 |
| ITF M15 Karuizawa | 2019/06/01 02:00 | Ko Suzuki v Soichiro Moritani | 6-4,6-2 |
| ITF M15 Karuizawa | 2019/05/31 01:00 | Ko Suzuki v Goran Markovic | 6-1,6-4 |
| ITF M15 Karuizawa | 2019/05/30 06:00 | Jordi Samper-Montana v Ko Suzuki | 4-6,6-0,6-7 |
| ITF M15 Karuizawa | 2019/05/28 05:35 | Yuta Kikuchi v Ko Suzuki | 2-6,6-3,4-6 |
| ITF Japan F7 Qual | 2018/06/03 03:10 | Tomohiro Masabayashi v Ko Suzuki | 5-7,7-6,6-4 |
| ITF Japan F7 Qual | 2018/06/02 03:00 | Ko Suzuki v Yuki Matsuo | 5-7,6-0,6-4 |
| ITF Japan F6 Qual | 2018/04/08 01:00 | Kaito Uesugi v Ko Suzuki | 7-6,6-4 |
| ITF M15 Mornington | 2019/03/25 23:00 | Yuichiro Inui v Joseph W. Van Meter | 6-3,6-3 |
| ITF M15 Mornington | 2019/03/24 23:00 | Joseph W. Van Meter v Ren Nakamura | 3-6,7-5,13-11 |
| ITF M15 Mornington | 2019/03/18 01:00 | Winter Meagher v Joseph W. Van Meter | 6-4,6-2 |
| ITF M25 Mildura | 2019/03/03 23:00 | Naoki Takeda v Joseph W. Van Meter | 6-2,7-6 |
| ITF M15 Monastir | 2019/02/19 08:30 | Riccardo Balzerani v Joseph W. Van Meter | 6-2,6-0 |
| ITF M15 Monastir | 2019/02/04 08:00 | Dennis Uspensky v Joseph W. Van Meter | 7-5,6-3 |
| ITF M15 Monastir | 2019/01/28 10:00 | Joseph W. Van Meter v Luis Faria | 1-6,3-6 |
| ITF M15 Monastir | 2019/01/21 08:30 | Joseph W. Van Meter v Georgii Kravchenko | 2-6,6-3,2-10 |