| ITF M15 Nanchang | 09/19 02:00 | 26 | Chukang Wang v Luca Castelnuovo | 6-7,6-0,4-6 | |
| ITF M15 Nanchang | 09/17 04:00 | 25 | Christian Didier Chin v Luca Castelnuovo | 2-6,2-6 | |
| Challenger Shanghai | 09/09 03:45 | 24 | [376] Luca Castelnuovo v Luke Saville [374] | 5-7,7-6,5-7 | |
| Challenger Baotou | 08/28 05:55 | 25 | [376] Luca Castelnuovo v Goncalo Oliveira [265] | 4-6,4-6 | |
| Challenger Baotou | 08/27 08:45 | 24 | [471] Renta Tokuda v Luca Castelnuovo [376] | 5-7,1-6 | |
| ITF M15 Jakarta | 08/14 04:15 | 25 | Kasidit Samrej v Luca Castelnuovo | Retired | |
| ITF M15 Jakarta | 08/08 04:40 | 26 | Luca Castelnuovo v Lucas Vuradin | 3-6,4-6 | |
| ITF M15 Jakarta | 08/07 02:30 | 25 | Luca Castelnuovo v Aryan Goveas | 7-6,6-3 | |
| ITF M25 Taipei | 07/23 04:20 | 25 | Ti Chen v Luca Castelnuovo | 3-6,6-2,6-3 | |
| ITF M25 Taipei | 07/17 02:00 | 25 | Luca Castelnuovo v Taisei Ichikawa | Retired | |
| ITF M25 Kunshan | 07/04 01:30 | 26 | Luca Castelnuovo v Rhett Purcell | 6-7,5-7 | |
| ITF M25 Kunshan | 07/03 02:50 | 25 | Runhao Hua v Luca Castelnuovo | 2-6,6-7 | |
| ITF M25 Yinchuan | 06/29 02:00 | 27 | Runhao Hua v Luca Castelnuovo | 6-7,7-5,6-3 | |
| ITF M25 Yinchuan | 06/28 05:00 | 26 | Luca Castelnuovo v Weiqiang Zheng | 6-1,6-2 | |
| ITF M25 Yinchuan | 06/28 01:30 | 25 | Yuanfeng Li v Luca Castelnuovo | 6-7,1-6 | |
| ITF M25 Shenzhen | 06/14 03:00 | 27 | Yu Hsiou Hsu v Luca Castelnuovo | 7-6,6-4 | |
| ITF M25 Shenzhen | 06/13 03:30 | 26 | Cheng-Yu Yu v Luca Castelnuovo | 1-6,1-6 | |
| ITF M25 Shenzhen | 06/12 03:35 | 25 | Jiaqi Duan v Luca Castelnuovo | 6-3,1-6,2-6 | |
| ITF M25 Hong Kong | 06/05 02:00 | 25 | Luca Castelnuovo v Yuki Mochizuki | 2-6,2-6 | |
| ITF M15 Antalya | 05/09 07:15 | 26 | Vladyslav Orlov v Luca Castelnuovo | 6-2,7-5 | |
| ITF M15 Antalya | 05/08 10:00 | 25 | Umut Akkoyun v Luca Castelnuovo | 4-6,3-6 | |
| ITF M15 Antalya | 05/02 07:15 | 26 | Vladyslav Orlov v Luca Castelnuovo | 6-0,6-4 | |
| ITF M15 Antalya | 05/01 08:55 | 25 | Nabi Kustepe v Luca Castelnuovo | 1-6,1-6 | |
| ITF M15 Antalya | 04/24 11:55 | 25 | Marius Ruzgas v Luca Castelnuovo | 6-4,6-3 | |
| ITF M25 Sunderland | 04/08 08:00 | 54 | Luca Castelnuovo v James Story | 3-6,4-6 | |
| ITF M15 Mornington | 03/29 02:25 | 27 | Luca Castelnuovo v Christopher O'Connell | 3-6,6-7 | |
| ITF M15 Mornington | 03/28 01:50 | 26 | Luca Castelnuovo v Thomas Bosancic | 7-6,1-6,6-4 | |
| ITF M15 Mornington | 03/26 23:00 | 25 | Matthew Romios v Luca Castelnuovo | 2-6,3-6 | |
| ITF M15 Mornington | 03/23 02:00 | 28 | Luca Castelnuovo v Christopher O'Connell | 4-6,6-7 | |
| ITF M15 Mornington | 03/21 23:00 | 27 | Luca Castelnuovo v Karunuday Singh | 7-6,7-6 |