Stadium: Court 1 Round: 54 Ground: Grass
| ITF M15 Marbella | 2021/05/24 09:00 | John Echeverria v Osgar O'Hoisin | 6-7,6-3,16-14 |
| ITF M15 Monastir | 2021/04/26 08:00 | Osgar O'Hoisin v Harry Wendelken | 6-4,4-6,7-10 |
| ITF M15 Monastir | 2021/04/25 09:00 | Osgar O'Hoisin v Vladimir Cherkovets | 6-2,6-0 |
| ITF M15 Monastir | 2021/04/18 14:00 | Harry Wendelken v Osgar O'Hoisin | 7-6,6-2 |
| ITF M15 Monastir | 2021/04/11 09:00 | Fons Van Sambeek v Osgar O'Hoisin | 6-3,6-2 |
| ITF M15 New Delhi | 2021/03/28 05:00 | Osgar O'Hoisin v Suraj R Prabodh | 6-3,5-7,5-10 |
| ITF M15 Indore | 2021/03/08 08:20 | Madhwin Kamath v Osgar O'Hoisin | 6-3,6-3 |
| ITF M15 Indore | 2021/03/08 03:30 | Osgar O'Hoisin v Gunjan Jadhav | 6-1,6-0 |
| ITF M15 Antalya | 2021/05/17 07:00 | Cezar Cretu v Riccardo Di Nocera | 7-5,6-3 |
| ITF M15 Antalya | 2021/05/16 07:00 | Riccardo Di Nocera v Luca Moro Almeida | 6-2,6-0 |
| ITF M15 Antalya | 2021/05/11 07:00 | Sandro Kopp v Riccardo Di Nocera | 6-3,6-2 |
| ITF M15 Antalya | 2021/05/10 07:00 | Riccardo Di Nocera v Bart Stevens | 6-2,4-6,10-4 |
| ITF M15 Antalya | 2021/05/09 07:00 | Adam Heinonen v Riccardo Di Nocera | 3-6,6-2,2-10 |
| ITF M15 Antalya | 2021/05/02 06:00 | Andrey Chepelev v Riccardo Di Nocera | 6-4,6-2 |
| ITF M15 Antalya | 2021/02/22 07:00 | Riccardo Di Nocera v Max Houkes | 2-6,3-6 |
| ITF M15 Antalya | 2021/02/21 13:00 | Tomislav Jotovski v Riccardo Di Nocera | 6-4,6-7,5-10 |