Stadium: Court 5 Round: 44 Ground: Clay
| ITF M15 Akishima | 2019/06/11 03:00 | Ko Suzuki v Kazuki Shimizu | 7-5,6-3 |
| ITF M15 Karuizawa | 2019/05/30 04:30 | Haru Inoue v Kazuki Shimizu | 6-2,6-1 |
| ITF M15 Karuizawa | 2019/05/29 05:15 | Kazuki Shimizu v Kousuke Ogura | 7-5,5-7,6-4 |
| ITF M25 Matsuyama | 2019/04/10 03:30 | Gage Brymer v Kazuki Shimizu | 7-6,5-7,6-0 |
| ITF M25 Matsuyama | 2019/04/09 01:00 | Daisuke Sumizawa v Kazuki Shimizu | 6-3,4-6,6-10 |
| ITF M25 Matsuyama | 2019/04/08 01:00 | Kazuki Shimizu v Yuichiro Inui | 6-2,6-0 |
| ITF M15 Tsukuba | 2019/03/25 01:00 | Mick Veldheer v Kazuki Shimizu | 6-1,6-4 |
| ITF M15 Kofu | 2019/03/18 00:30 | Kazuki Shimizu v Kousuke Ogura | 6-7,5-7 |
| ITF M15 Meshref | 2019/11/05 09:25 | Alen Rogic-Hadzalic v Ishaque Eqbal | 2-6,5-7 |
| ITF M15 Meshref | 2019/11/04 08:00 | Alen Rogic-Hadzalic v Danylo Veremeychuk | 7-6,6-2 |
| ITF M15 Meshref | 2019/10/29 10:35 | Alen Rogic-Hadzalic v Conor Berg | 7-6,6-7,0-6 |
| ITF M25 Tay Ninh Qual | 2019/10/07 03:30 | Alen Rogic-Hadzalic v Huynh Thinh | 4-6,6-4,6-10 |
| ITF M25 Tay Ninh | 2019/10/02 05:00 | Daniel Nguyen v Alen Rogic-Hadzalic | 6-3,6-1 |
| ITF M15 Novi Sad | 2019/08/13 11:20 | Filip Stipic v Alen Rogic-Hadzalic | 6-2,6-3 |
| ITF M15 Novi Sad | 2019/08/06 08:00 | Alen Rogic-Hadzalic v Duje Kekez | 6-3,1-6,11-13 |
| ITF M15 Novi Sad | 2019/08/05 10:30 | Alen Rogic-Hadzalic v Strahinja Rakic | 6-3,6-3 |