| ITF M15 Nishi-Tokyo | 03/20 00:50 | 25 | Luca Castelnuovo v Hikaru Shiraishi | 4-6,4-6 | |
| ITF M15 Hinode | 03/14 02:30 | 26 | Luca Castelnuovo v Kosuke Ogura | 1-6,4-6 | |
| ITF M15 Hinode | 03/13 01:00 | 25 | Luca Castelnuovo v Hayato Matsuoka | 0-6,7-6,6-1 | |
| ITF M15 Nakhon Si Thammarat | 02/21 03:25 | 25 | Kasidit Samrej v Luca Castelnuovo | Retired | |
| ITF M15 Nakhon Si Thammarat | 02/16 02:00 | 27 | [282] Luca Castelnuovo v Stefanos Sakellaridis [486] | 3-6,6-7 | |
| ITF M15 Nakhon Si Thammarat | 02/15 04:25 | 26 | Luca Castelnuovo v Wishaya Trongcharoenchaikul | 7-6,6-4 | |
| ITF M15 Nakhon Si Thammarat | 02/13 02:00 | 25 | Luca Castelnuovo v Matic Kriznik | 6-1,7-6 | |
| Challenger Chennai | 02/05 10:00 | 19 | [445] Jonas Forejtek v Luca Castelnuovo [286] | 6-4,6-3 | |
| Challenger Chennai | 02/04 08:35 | 14 | Karan Singh v Luca Castelnuovo | 4-6,6-7 | |
| ITF M25 Chennai | 01/25 04:00 | 26 | [305] Luca Castelnuovo v Arthur Weber [348] | Retired | |
| ITF M25 Chennai | 01/24 04:00 | 25 | Yash Yadav v Luca Castelnuovo | 2-6,1-6 | |
| ITF M25 Bhopal | 01/18 04:00 | 26 | [305] Luca Castelnuovo v Dominik Palan [331] | 4-6,6-7 | |
| ITF M25 Bhopal | 01/16 04:30 | 25 | Luca Castelnuovo v M Rifqi Fitriadi | 6-2,6-2 | |
| ITF M15 Yanagawa | 12/20 04:50 | 25 | Shu Matsuoka v Luca Castelnuovo | Retired | |
| ITF M15 Zahra | 12/14 09:00 | 26 | Arthur Bonnaud v Luca Castelnuovo | 4-6,6-4,6-3 | |
| ITF M15 Zahra | 12/13 15:10 | 25 | Ali Alshati v Luca Castelnuovo | 2-6,0-6 | |
| ITF M15 Ipoh Perak | 11/24 02:30 | 27 | Luca Castelnuovo v Jeamoon Lee | 4-6,2-6 | |
| ITF M15 Ipoh Perak | 11/23 04:30 | 26 | Luca Castelnuovo v Woobin Shin | Retired | |
| ITF M15 Ipoh Perak | 11/22 05:45 | 25 | Luca Castelnuovo v Daniel Leong Prickett | 6-2,6-2 | |
| ITF M15 Kuching | 11/17 02:00 | 27 | Taiyo Yamanaka v Luca Castelnuovo | 7-6,2-6,6-2 | |
| ITF M15 Kuching | 11/16 05:40 | 26 | [479] Yeongseok Jeong v Luca Castelnuovo [296] | 3-6,5-7 | |
| ITF M15 Kuching | 11/15 02:00 | 25 | Hayato Matsuoka v Luca Castelnuovo | 6-4,3-6,4-6 | |
| ITF M25 Sunderland | 11/01 10:00 | 25 | [304] Luca Castelnuovo v Sander Jong [365] | 1-6,4-6 | |
| Challenger Guangzhou | 09/12 04:15 | 25 | [409] Luca Castelnuovo v Colin Sinclair [347] | 1-6,2-6 | |
| Challenger Guangzhou | 09/11 04:35 | 19 | [416] Luca Castelnuovo v Ray Ho [253] | 6-7,6-3,6-2 | |
| Challenger Guangzhou | 09/10 06:10 | 14 | Luca Castelnuovo v Zhenxiong Dong | 6-2,7-5 | |
| ITF M25 Hong Kong | 09/06 06:00 | 25 | Luca Castelnuovo v Duckhee Lee | 6-3,4-6,5-7 | |
| Challenger Zhuhai | 08/23 08:25 | 26 | Evgeny Karlovskiy v Luca Castelnuovo | 7-6,3-6,6-1 | |
| Challenger Zhuhai | 08/22 03:55 | 25 | Luca Castelnuovo v Evan Zhu | 6-7,7-6,7-6 | |
| Challenger Zhuhai | 08/20 06:10 | 19 | Luca Castelnuovo v Hanyi Liu | 6-4,6-3 |