Stadium: Court 1 Round: 25 Ground: Clay
| ITF M25 Ystad | 2022/08/09 08:45 | Olle Wallin v Jonathan Backman | 4-6,6-1,10-6 |
| ITF M25 Ystad | 2022/08/08 10:15 | Olle Wallin v Saba George Nanobashvili | 6-2,6-2 |
| ITF M15 Frederiksberg | 2022/08/02 07:30 | Olle Wallin v Anders Grinderslev | 4-6,3-6 |
| ITF M15 Frederiksberg | 2022/08/01 08:50 | Olle Wallin v Anders Grinderslev | 2-6,4-6 |
| ITF M25 Falun | 2019/09/29 08:00 | Arslanbek Temirhanov v Olle Wallin | 6-4,0-6,10-8 |
| ITF M15 Ystad | 2019/08/08 14:55 | Simon Yitbarek v Olle Wallin | 6-4,6-2 |
| ITF M15 Ystad | 2019/08/07 09:55 | Almir Nokic v Olle Wallin | 4-6,6-3,3-6 |
| ITF M15 Ystad | 2019/08/06 08:15 | Philip Bachmaier v Olle Wallin | 4-6,1-6 |
| ITF M15 Kottingbrunn | 2022/08/06 07:50 | Kai Lemstra v Corentin Denolly | 6-7,3-6 |
| ITF M15 Kottingbrunn | 2022/08/05 07:55 | Kai Lemstra v Lorenzo Rottoli | 7-6,6-0 |
| ITF M15 Kottingbrunn | 2022/08/04 08:00 | Kai Lemstra v Toby Alex Kodat | 6-3,7-5 |
| ITF M15 Kottingbrunn | 2022/08/02 08:30 | Fajing Sun v Kai Lemstra | 7-5,1-6,6-7 |
| ITF M25 Kassel | 2022/07/11 13:00 | Michael Agwi v Kai Lemstra | 7-6,6-4 |
| Challenger Salzburg | 2022/07/03 10:20 | Kai Lemstra v Georgii Kravchenko | 3-6,3-6 |
| ITF M15 Heraklion | 2022/06/02 09:55 | Kai Lemstra v Jerome Kym | 2-6,1-6 |
| ITF M15 Heraklion | 2022/06/01 10:00 | Kai Lemstra v Orel Kimhi | 7-6,6-3 |