Stadium: Court 5 Round: 62 Ground: Clay
| ITF M15 Pärnu | 2021/08/04 08:25 | Arvid Nordquist v Paul Valsecchi | 5-7,1-6 |
| ITF M15 Pärnu | 2021/08/03 07:00 | Arvid Nordquist v Pavel Shchaya-Zubrov | 6-2,6-3 |
| ITF M15 Pärnu | 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 Eduardo Morais | 3-6,4-6 |
| ITF M15 Helsinki | 2021/06/01 08:45 | Arvid Nordquist v Mikhail Minakov | 3-6,3-6 |
| ITF M15 Helsinki | 2021/05/31 10:00 | Arvid Nordquist v Leevi Saatela | 6-3,6-2 |
| ITF M15 Kouvola | 2021/05/27 07:00 | Alessandro Bega 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 Łódź | 2021/08/15 08:00 | Juliusz Bienkiewicz v Mikolaj Szmyrgala | 6-2,0-6,10-5 |
| ITF M15 Gdynia | 2021/08/10 08:00 | Juliusz Bienkiewicz v Daniel De Jonge | 2-6,6-7 |
| ITF M15 Gdynia | 2021/08/09 08:00 | Andrea Guerrieri v Juliusz Bienkiewicz | 6-2,2-6,7-10 |
| ITF M15 Gdynia | 2021/08/08 08:00 | Juliusz Bienkiewicz v Maciej Kos | 6-4,6-3 |
| ITF M25 Grodzisk Mazowiecki | 2021/08/02 08:00 | Tomas Lanik v Juliusz Bienkiewicz | 4-6,6-1,10-5 |
| ITF M25 Grodzisk Mazowiecki | 2021/08/01 09:30 | Pietro Schiavetti v Juliusz Bienkiewicz | 2-6,6-2,5-10 |
| ITF M25 Wroclaw | 2021/06/27 12:30 | Juliusz Bienkiewicz v Taiyo Yamanaka | 3-6,1-6 |
| Polish National Tour | 2020/07/29 10:00 | Kacper Zuk v Juliusz Bienkiewicz | 6-0,6-0 |