Stadium: Court 6 Round: 25 Ground: Hardcourt outdoor
| ITF M15 Monastir | 2021/07/05 14:00 | Lorenzo Rottoli v Valentin Vacherot | 6-4,4-6,7-10 |
| ITF M15 Monastir | 2021/07/05 09:00 | Lorenzo Rottoli v Nikolay Sysoev | 6-1,6-4 |
| ITF M15 Monastir | 2021/07/04 09:00 | Lorenzo Rottoli v Essa Qabazard | 6-2,3-6,10-0 |
| ITF M15 Bergamo | 2021/06/21 07:30 | Andrea Basso v Lorenzo Rottoli | 7-5,6-2 |
| ITF M15 Gaiba | 2021/06/09 14:45 | Lorenzo Rottoli v Mattia Frinzi | 3-6,1-6 |
| ITF M15 Kouvola | 2021/05/29 07:00 | Naoki Tajima v Lorenzo Rottoli | 7-5,6-4 |
| ITF M15 Kouvola | 2021/05/28 08:35 | Lorenzo Rottoli v Otto Virtanen | 6-2,2-6,7-5 |
| ITF M15 Kouvola | 2021/05/27 07:00 | Lorenzo Rottoli v Eero Vasa | 6-3,6-1 |
| ITF M15 Monastir | 2021/07/05 14:00 | Kazuma Kawachi v Kody Pearson | 6-4,0-6,7-10 |
| ITF M15 Monastir | 2021/07/05 08:00 | Kazuma Kawachi v Francesco Cano | 6-4,6-2 |
| ITF M15 Monastir | 2021/07/04 09:00 | Kazuma Kawachi v Credit Chaiyarin | 6-3,6-2 |
| ITF M15 Monastir | 2021/06/30 10:30 | Ji Hoon Son v Kazuma Kawachi | 6-3,6-4 |
| ITF M15 Monastir | 2021/06/28 14:00 | Kazuma Kawachi v Vladislav Ivanov | 1-6,6-4,10-6 |
| ITF M15 Monastir | 2021/06/28 09:00 | Kazuma Kawachi v Adam Nagoudi | 6-1,6-4 |
| ITF M15 Monastir | 2021/06/20 10:30 | Shohei Chikami v Kazuma Kawachi | 6-2,6-1 |
| ITF M15 Monastir | 2021/06/14 08:00 | Guilherme Sousa Severin v Kazuma Kawachi | 6-4,4-6,10-4 |