Stadium: Indoor 1 Round: 25 Ground: Hardcourt outdoor
| ITF M15 Tbilisi | 2021/05/18 07:00 | Yurii Dzhavakian v Luca Castelnuovo | 7-6,0-6,7-6 |
| ITF M15 Jerusalem | 2021/05/12 08:15 | Edan Leshem v Luca Castelnuovo | 7-5,7-5 |
| ITF M15 Ramat Hasharon | 2021/05/06 07:00 | Zane Khan v Luca Castelnuovo | 6-3,6-2 |
| ITF M15 Ramat Hasharon | 2021/05/05 11:05 | Gilad Tamar v Luca Castelnuovo | 6-7,4-6 |
| ITF M15 New Delhi | 2021/03/31 05:30 | S D Prajwal Dev v Luca Castelnuovo | 4-6,3-6 |
| ITF M15 Indore | 2021/03/12 04:00 | Aidan Mchugh v Luca Castelnuovo | 6-2,6-2 |
| ITF M15 Indore | 2021/03/11 04:00 | Dalwinder Singh v Luca Castelnuovo | 4-6,3-6 |
| ITF M15 Indore | 2021/03/10 07:20 | Muthu A Senthilkumar v Luca Castelnuovo | 4-6,4-6 |
| ITF M15 Kouvola | 2021/05/25 08:30 | Roni Mikael Hietaranta v Jussi Salmio | 6-1,6-1 |
| ITF M15 Parnu | 2020/11/04 08:00 | Mattias Siimar v Roni Mikael Hietaranta | 6-3,6-2 |
| ITF M15 Parnu | 2020/11/02 11:00 | Roni Mikael Hietaranta v Adrien Burdet | 5-7,6-2,13-11 |
| ITF M15 Parnu | 2019/10/30 12:25 | Lasse Muscheites v Roni Mikael Hietaranta | 6-4,6-1 |
| ITF M15 Parnu | 2019/10/29 08:00 | Roni Mikael Hietaranta v Marcus Mansson | 2-6,7-6,10-4 |
| ITF M15 Pajulahti | 2019/09/18 12:30 | Yanki Erel v Roni Mikael Hietaranta | 6-0,6-2 |
| ITF M15 Helsinki | 2019/08/22 08:00 | Roni Mikael Hietaranta v Juan Manuel Cerundolo | 2-6,2-6 |
| ITF M15 Helsinki | 2019/08/21 13:30 | Roni Mikael Hietaranta v Masi Sarpola | 6-4,6-3 |