Round: 44 Ground: Clay
| ITF Qatar F6 | 2018/12/16 12:00 | Leonid Mazo v Niklas Schell | 3-6,2-6 |
| ITF Qatar F6 | 2018/12/15 08:00 | Leonid Mazo v Akim Zarichanskyy | 6-2,6-3 |
| ITF Qatar F5 | 2018/12/08 11:55 | Hendrik Jebens v Leonid Mazo | 6-3,6-2 |
| ITF Turkey F18 | 2018/05/06 07:30 | Horst Rieder v Leonid Mazo | 6-2,6-1 |
| ITF Turkey F17 | 2018/04/28 07:30 | Ruslan Khunarikov v Leonid Mazo | 6-7,7-6,6-3 |
| ITF Turkey F14 | 2018/04/11 07:30 | Pascal Brunner v Leonid Mazo | 6-0,6-3 |
| ITF Russia F1 | 2018/02/26 09:40 | Matvey Khomentovskiy v Leonid Mazo | 6-3,6-4 |
| ITF Turkey F48 | 2017/12/20 07:15 | Leonid Mazo v Giorgi Javakhishvili | 6-7,2-6 |
| ITF M15 - Antalya - Kwal. | 2019/12/08 09:30 | Pietro Mugelli v Niklas Schell | 2-6,4-6 |
| ITF - M15 Sharm-el-Sheikh | 2019/10/30 09:50 | Pietro Mugelli v Kalman Boyd | 2-6,6-3,1-6 |
| ITF - M15 Sharm-el-Sheikh | 2019/10/14 08:00 | Luis Humberto Lopez v Pietro Mugelli | 6-2,6-1 |
| ITF - M15 Sharm-el-Sheikh | 2019/10/13 08:00 | Stepan Pecak v Pietro Mugelli | 4-6,4-6 |
| ITF M15 Nanchang | 2019/09/23 02:00 | Pietro Mugelli v Yaojie Zeng | 4-6,4-6 |
| ITF M15 Nanchang | 2019/09/16 06:30 | Pietro Mugelli v Jianhui Li | 2-6,2-6 |
| ITF M15 Nanchang | 2019/09/16 02:00 | Arpit Sharma v Pietro Mugelli | 4-6,6-7 |
| ITF M15 Nanchang | 2019/09/15 02:00 | Ang Ji v Pietro Mugelli | 6-0,3-6,7-10 |