Stadium: Court 3 Round: 26 Ground: Clay
| ITF M25 Ystad | 2023/08/16 13:25 | Oskar Jansson v Eero Vasa | 2-6,1-6 |
| ITF M25 Lodz | 2023/08/09 09:45 | Jakub Nicod v Eero Vasa | 4-6,6-4,6-4 |
| ITF M15 Hyvinkaa | 2023/08/03 11:40 | Eero Vasa v Andrea Gola | 2-6,6-0,6-7 |
| ITF M15 Vejle | 2023/07/26 09:25 | Eero Vasa v Christian Sigsgaard | 6-7,2-6 |
| ITF M15 Vejle | 2023/07/24 12:00 | Eero Vasa v Jonas Hembo Mathiasen | 6-2,6-0 |
| ITF M25 Malibu | 2023/01/06 18:00 | Eero Vasa v Alex Michelsen | 2-6,1-6 |
| ITF M25 Malibu | 2023/01/05 22:00 | William Chase Thompson v Eero Vasa | 4-6,5-7 |
| ITF M25 Malibu | 2023/01/03 22:00 | Eero Vasa v Ryan Seggerman | 6-3,3-6,10-7 |
| ITF M25 Ystad | 2023/08/16 10:55 | John H Lithen v Sebastian Gima | 7-6,7-5 |
| ITF M15 Frankfurt Am Main | 2023/08/09 15:20 | Philip Florig v John H Lithen | 6-3,6-1 |
| ITF M15 Frankfurt Am Main | 2023/08/07 13:00 | John H Lithen v Sven Corbinais | 6-3,6-1 |
| ITF M15 Frankfurt Am Main | 2023/08/07 08:00 | John H Lithen v Dennis Dragomirov | 6-2,6-4 |
| ITF M15 Uslar | 2023/07/20 09:30 | Gilles Arnaud Bailly v John H Lithen | 6-1,6-1 |
| ITF M15 Uslar | 2023/07/19 12:35 | John H Lithen v Diego Dedura-Palomero | 6-3,6-1 |
| ITF M15 Uslar | 2023/07/17 10:30 | John H Lithen v Daniel Orlita | 6-2,6-2 |
| ITF M15 Uslar | 2023/07/17 08:00 | John H Lithen v Vojtech Mares | 6-1,6-3 |