Stadium: Court 6 Round: 27 Ground: Clay
| ITF Austria F2 | 2017/07/13 11:00 | Prechtel, Sebastian v Jahn, Jeremy | 4-6,0-6 |
| ITF M15 Kamen | 2022/06/23 11:20 | Jahn, Jeremy v Danilov, Savriyan | 6-3,6-4 |
| ITF M15 Kamen | 2022/06/21 12:55 | Jahn, Jeremy v Mika Lipp | 6-3,6-4 |
| Poznan, Poland | 2022/05/29 14:25 | Daniel Dutra Da Silva v Jahn, Jeremy | 6-1,6-4 |
| Troisdorf, Germany | 2022/05/22 12:30 | Jaziri, Malek v Jahn, Jeremy | 2-6,6-3,6-4 |
| Challenger - Francavilla | 2022/05/16 13:00 | Jahn, Jeremy v Alexis Galarneau | 4-6,3-6 |
| ITF M25 Prague | 2022/05/12 11:50 | Jahn, Jeremy v Martin Krumich | 2-6,3-6 |
| ITF M25 Prague | 2022/05/10 10:50 | Michael Vrbensky v Jahn, Jeremy | 2-6,6-3,4-6 |
| Challenger Mauthausen | 2022/05/01 13:45 | Sabanov, Matej v Jahn, Jeremy | 6-3,6-4 |
| ITF M15 Kamen | 2022/06/23 12:25 | Illya Beloborodko v Prechtel, Sebastian | 6-4,4-6,4-6 |
| ITF M15 Kamen | 2022/06/22 09:00 | Jiri Barnat v Prechtel, Sebastian | 6-3,4-6,6-7 |
| ITF M15 Chieti | 2022/06/17 13:05 | Andrey Chepelev v Prechtel, Sebastian | 6-4,7-5 |
| ITF M15 Chieti | 2022/06/16 09:35 | Marcello Serafini v Prechtel, Sebastian | 6-3,4-6,1-6 |
| ITF M15 Chieti | 2022/06/15 07:00 | Giovanni Calvano v Prechtel, Sebastian | 6-2,0-6,4-6 |
| ITF M25 Kiseljak | 2022/06/02 09:00 | Prechtel, Sebastian v Mattia Bellucci | 6-4,4-6,1-6 |
| ITF M25 Kiseljak | 2022/06/01 14:15 | Barun, Bozo v Prechtel, Sebastian | 3-6,4-6 |
| ITF M15 Warmbad-Villach | 2022/05/22 08:30 | Giovanni Oradini v Prechtel, Sebastian | 7-5,7-5 |