Stadium: Court 7 Round: 25 Ground: Clay
| ITF M15 Nishi-Tokyo | 2019/03/11 02:00 | Masaya Kobayashi v Cheng-Yu Yu | 6-2,6-2 |
| ITF M15 Nishi-Tama | 2019/03/06 05:05 | Wishaya Trongcharoenchaikul v Cheng-Yu Yu | 6-4,7-6 |
| ITF M15 Nishi-Tama | 2019/03/05 03:00 | Cheng-Yu Yu v Kazuma Kawachi | 7-6,4-6,10-5 |
| ITF M15 Nishi-Tama | 2019/03/05 01:00 | Cheng-Yu Yu v Worarin Kumthonkittikul | 6-3,6-4 |
| ITF Thailand F9 | 2018/11/15 03:00 | Cheng-Yu Yu v Konstantin Kravchuk | 0-6,5-7 |
| ITF Thailand F9 | 2018/11/14 05:00 | Cheng-Yu Yu v Tonkla Mulada | 6-3,6-4 |
| ITF Thailand F9 | 2018/11/13 08:50 | Igor Smilansky v Cheng-Yu Yu | 4-6,1-6 |
| ITF Thailand F9 | 2018/11/12 02:00 | Cheng-Yu Yu v Yeongseok Jeong | 4-6,6-3,6-4 |
| ITF M25 Mildura | 2019/03/06 02:45 | Luca Castelnuovo v Christopher O'Connell | 6-7,2-6 |
| ITF M25 Albury | 2019/02/26 23:30 | Matthew Romios v Luca Castelnuovo | 6-7,7-5,6-2 |
| ITF M25 Oberentfelden | 2019/02/06 12:00 | Jakob Aichhorn v Luca Castelnuovo | 6-3,3-6,6-3 |
| ITF M15 Anning | 2019/01/17 04:45 | Luca Castelnuovo v Grigoriy Lomakin | 6-7,3-6 |
| ITF M15 Anning | 2019/01/16 02:00 | Hong Kit Wong v Luca Castelnuovo | 5-7,5-7 |
| ITF M15 Anning | 2019/01/09 05:45 | Luca Castelnuovo v Taisei Ichikawa | 6-2,2-6,4-6 |
| ITF M15 Anning | 2019/01/06 03:00 | Eric Vanshelboim v Luca Castelnuovo | 6-3,6-2 |
| ITF M15 Anning | 2019/01/05 03:00 | Luca Castelnuovo v Cing-Yang Meng | 6-2,6-3 |