Stadion: Court 1 Round: 25 Ground: Hardcourt outdoor
| ITF - M15 - Monastir | 2021/05/12 10:00 | Luca Potenza v Brandon Holt | 1-6,6-3,2-6 |
| ITF - M15 - Monastir | 2021/05/09 08:30 | Luca Potenza v Lucas Catarina | 1-6,6-2,6-1 |
| ITF - M15 - Monastir | 2021/05/08 08:30 | Mohamed Aziz Dougaz v Luca Potenza | 6-4,6-7,5-7 |
| ITF - M15 - Monastir | 2021/05/07 08:30 | Luca Potenza v Gustavo Heide | 7-6,6-3 |
| ITF - M15 - Monastir | 2021/05/06 11:15 | Brandon Holt v Luca Potenza | 6-4,4-6,0-6 |
| ITF - M15 - Monastir | 2021/05/04 10:30 | Luca Potenza v Francesco Vilardo | 6-2,6-2 |
| ITF - M15 - Monastir | 2021/04/03 08:30 | Mohamed Aziz Dougaz v Luca Potenza | 6-3,6-2 |
| ITF - M15 - Monastir | 2021/04/02 10:10 | Sho Shimabukuro v Luca Potenza | 4-6,1-6 |
| ITF - M15 - Monastir | 2021/05/17 12:30 | Uisung Park v Seita Watanabe | 4-6,1-6 |
| ITF - M15 - Monastir | 2021/05/16 08:00 | Giovanni Agostinetto v Seita Watanabe | 3-6,3-6 |
| ITF - M15 - Monastir | 2021/05/09 09:00 | Jacob Brumm v Seita Watanabe | 7-5,6-3 |
| ITF - M15 - Sharm El Sheikh | 2021/02/07 11:00 | Marko Miladinovic v Seita Watanabe | 6-3,6-3 |
| ITF - M15 - Sharm El Sheikh | 2021/01/31 10:30 | Erik Crepaldi v Seita Watanabe | 6-2,6-4 |
| ITF - M15 - Kairo | 2021/01/26 08:00 | Seita Watanabe v Rimpei Kawakami | 3-6,2-6 |
| ITF - M15 - Kairo | 2021/01/24 07:30 | Seita Watanabe v Dennis Dragomirov | 6-0,6-1 |
| ITF - M15 - Kairo | 2021/01/18 08:00 | Jose Fco. Vidal Azorin v Seita Watanabe | 6-1,6-1 |