Stadium: Court 1 Round: 54 Ground: Clay
| ITF M15 Helsinki | 2021/06/03 07:00 | Yannik Steinegger v Bruno Kuzuhara | 2-6,6-2,3-6 |
| ITF M15 Helsinki | 2021/06/02 11:30 | Mikhail Minakov v Yannik Steinegger | 4-6,1-6 |
| ITF M15 Helsinki | 2021/06/01 08:50 | Yannik Steinegger v Alexander Chepik | 6-4,6-3 |
| ITF M15 Helsinki | 2021/05/31 10:00 | Yannik Steinegger v Peetu Pohjola | 6-2,6-3 |
| ITF M15 Kouvola | 2021/05/27 12:35 | Yannik Steinegger v Otto Virtanen | 0-6,7-5,3-6 |
| ITF M15 Kouvola | 2021/05/26 15:20 | Yan Sabanin v Yannik Steinegger | 2-6,2-6 |
| ITF M15 Kouvola | 2021/05/25 07:00 | Yannik Steinegger v Tommy Hellstrom | 6-1,6-0 |
| ITF M15 Troisdorf | 2021/05/11 08:00 | Tom Kocevar-Desman v Yannik Steinegger | 6-3,6-1 |
| ITF USA F4 | 2018/01/14 19:00 | Johannes Ingildsen v Karl Poling | 6-4,4-6,4-6 |
| ITF USA F4 | 2018/01/13 15:00 | Hillel Rousseau v Johannes Ingildsen | 0-6,0-6 |
| ITF Belgium F3 | 2017/07/04 11:20 | Jolan Cailleau v Johannes Ingildsen | 6-3,6-4 |
| ITF Belgium F3 Qual | 2017/07/03 10:00 | Riccardo Maiga v Johannes Ingildsen | 6-7,6-3,4-6 |
| ITF Belgium F3 Qual | 2017/07/01 08:00 | Tuur Heuvinck v Johannes Ingildsen | 2-6,2-6 |
| ITF Belgium F1 | 2017/06/20 16:00 | Johannes Ingildsen v Constant De La Bassetiere | 6-1,4-6,3-6 |
| ITF Belgium F1 Qual | 2017/06/19 08:00 | Maxime Pauwels v Johannes Ingildsen | 4-6,5-7 |
| ITF Belgium F1 Qual | 2017/06/18 08:00 | Johannes Ingildsen v Patrick Mayer | 3-6,7-6,6-0 |