Stadium: Tammsaare 4 Round: 25 Ground: Hardcourt indoor
| ITF M15 Parnu | 2021/08/03 07:00 | Arvid Nordquist v Shchaya-Zubrov, Pavel | 6-2,6-3 |
| ITF M15 Parnu | 2021/08/02 07:00 | Arvid Nordquist v Peetu Pohjola | 6-4,6-0 |
| ITF M15 Almada | 2021/07/04 13:00 | Arvid Nordquist v Morais, Eduardo | 3-6,4-6 |
| ITF M15 Helsinki | 2021/06/01 08:45 | Arvid Nordquist v Minakov, Mikhail | 3-6,3-6 |
| ITF M15 Helsinki | 2021/05/31 10:00 | Arvid Nordquist v Saatela, Leevi | 6-3,6-2 |
| ITF M15 Kouvola | 2021/05/27 07:00 | Bega, Alessandro v Arvid Nordquist | 5-7,7-5,6-3 |
| ITF - M15 Antalya | 2021/05/17 07:00 | Arvid Nordquist v Jose Pereira | 1-6,4-6 |
| ITF - M15 Antalya | 2021/05/16 07:00 | Eduardo Ribeiro v Arvid Nordquist | 1-6,0-6 |
| ITF M15 Parnu | 2021/08/03 08:30 | Paul Valsecchi v Rikkonen, Roni | 6-3,6-2 |
| ITF M15 Parnu | 2021/08/02 09:30 | Paul Valsecchi v Kulibaba, Artur | 6-0,6-4 |
| ITF M25 Velenje | 2021/07/04 07:30 | Maks Lukman v Paul Valsecchi | 6-3,4-6,12-10 |
| ITF M25 Belgrade | 2021/06/27 07:00 | Paul Valsecchi v Slavic, Nikola | 4-6,4-6 |
| ITF M15 Skopje | 2021/06/06 07:30 | Paul Valsecchi v Leonid Sheyngezikht | 6-7,4-6 |
| ITF M15 Skopje | 2021/05/31 09:30 | Shendrit Deari v Paul Valsecchi | 6-3,3-6,10-6 |
| Sibenik, Singles M-ITF-CRO-05A | 2021/04/19 09:55 | Marino Jakic v Paul Valsecchi | 6-3,7-6 |
| Sibenik, Singles M-ITF-CRO-05A | 2021/04/18 08:00 | Luka Miklavcic v Paul Valsecchi | 2-6,4-6 |