Stadium: Tammsaare 1 Round: 25 Ground: Hardcourt indoor
| 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 |
| Challenger Nottingham Qual | 2021/06/13 10:00 | Luke Johnson v Ramkumar Ramanathan | 6-3,3-6,2-6 |
| ITF M15 Heraklion | 2021/06/03 06:30 | Luke Johnson v Ben Patael | 4-6,6-3,3-6 |
| ITF M15 Heraklion | 2021/06/02 06:30 | Luke Johnson v Mattia Bellucci | 6-2,7-5 |
| ITF M15 Heraklion | 2021/05/28 06:30 | Ze Zhang v Luke Johnson | 6-1,6-1 |
| ITF M15 Heraklion | 2021/05/27 06:30 | Luke Johnson v Harry Wendelken | 6-2,6-7,6-3 |
| ITF M15 Heraklion | 2021/05/25 08:00 | Luke Johnson v Billy Harris | 3-6,7-6,6-1 |
| ITF M15 Heraklion | 2021/05/20 06:30 | Luke Johnson v Ryan Peniston | 6-7,3-6 |
| ITF M15 Heraklion | 2021/05/19 09:40 | Matthew Dellavedova v Luke Johnson | 5-7,2-6 |