| Internazionali di Bulgaria | 2019/10/05 13:30 | Joonas Korhonen v Albin Carl Hjelm | L | 2-1 |
| Internazionali d'Italia - Qual. | 2021/12/16 13:15 | Philipp Drexler v Albin Carl Hjelm | L | 2-1 |
| Welsh Int Qual | 2021/12/01 15:25 | Varun Kapur v Albin Carl Hjelm | L | 2-0 |
| Welsh Int Qual | 2021/12/01 11:20 | Albin Carl Hjelm v Nathan Rossiter | W | 2-0 |
| Slovenia - Future Series | 2021/11/27 15:00 | Giovanni Toti v Albin Carl Hjelm | L | 2-0 |
| Slovenia - Future Series | 2021/11/27 09:00 | Albin Carl Hjelm v Miha Ivanic | W | 2-0 |
| Slovenia - Future Series | 2021/11/26 15:35 | Thomas Fourcade v Albin Carl Hjelm | W | 1-2 |
| Open della Repubblica Ceca - Qual | 2021/10/21 09:55 | Albin Carl Hjelm v Jia Heng Jason Teh | L | 0-2 |
| Internazionali di Bulgaria | 2021/10/08 14:45 | Albin Carl Hjelm v Mateusz Danielak | L | 1-2 |
| Internazionali d'Estonia | 2022/01/14 11:40 | Joonas Korhonen v Harshit Aggarwal | L | 1-2 |
| Internazionali d'Estonia | 2022/01/14 09:10 | Duarte Nuno Anjo v Joonas Korhonen | W | 0-2 |
| Internazionali d'Italia | 2021/12/17 09:20 | Samuel Hsiao v Joonas Korhonen | L | 2-1 |
| Open d'Irlanda | 2021/11/18 10:00 | Joonas Korhonen v Arnaud Merkle | L | 0-2 |
| Internazionali d'Ungheria | 2021/11/04 12:20 | Joonas Korhonen v S.K. Karunakaran | L | 0-2 |
| Open d'Olanda - Qual. | 2021/10/13 10:20 | Elias Bracke v Joonas Korhonen | W | 1-2 |
| Internazionali di Lettonia | 2021/08/28 13:40 | Alex Lanier v Joonas Korhonen | L | 2-0 |
| Internazionali di Lettonia | 2021/08/28 08:00 | Joonas Korhonen v Nicolas A. Mueller | W | 2-0 |