Stadium: Court 1 Round: 25 Ground: Clay
| ITF Germany F13 | 2018/08/24 11:10 | Peter Heller v Matthias Haim | 1-6,6-3,7-6 |
| ITF Germany F13 | 2018/08/23 11:45 | Patrick Zahraj v Matthias Haim | 3-6,4-6 |
| ITF Germany F13 | 2018/08/22 15:10 | Paul Woerner v Matthias Haim | 4-6,1-6 |
| ITF Germany F13 | 2018/08/20 09:00 | Matthias Haim v Leon Hoeveler | 6-1,6-2 |
| ITF Germany F13 | 2018/08/19 14:00 | Matthias Haim v Sven Lemstra | 6-2,6-1 |
| Challenger - Cordenons | 2018/08/11 10:30 | Elmar Ejupovic v Matthias Haim | 6-2,6-2 |
| ATP Kitzbuhel Qual | 2018/07/28 12:10 | Matthias Haim v Lorenzo Sonego | 7-6,3-6,4-6 |
| ITF Austria F4 | 2018/07/27 09:00 | Matthias Haim v Thomas Statzberger | 1-6,0-6 |
| ITF Finland F3 | 2018/08/16 11:15 | Karl Friberg v Patrik Niklas-Salminen | 7-6,7-6 |
| ITF Finland F3 | 2018/08/15 10:00 | Matvey Minin v Patrik Niklas-Salminen | 5-7,4-6 |
| ITF Finland F3 | 2018/08/14 11:25 | Christoffer Solberg v Patrik Niklas-Salminen | 0-6,1-6 |
| ITF Finland F2 | 2018/08/10 12:00 | Laurent Rochette v Patrik Niklas-Salminen | 6-2,6-1 |
| ITF Finland F2 | 2018/08/09 12:00 | Patrik Niklas-Salminen v George Loffhagen | 7-6,1-6,6-2 |
| ITF Finland F2 | 2018/08/08 10:05 | Patrik Niklas-Salminen v Roni Mikael Hietaranta | 6-3,6-3 |
| ITF Finland F2 | 2018/08/07 10:00 | Patrik Niklas-Salminen v Eero Vasa | 6-2,6-3 |
| ITF Finland F1 | 2018/08/04 09:00 | Gustav Hansson v Patrik Niklas-Salminen | 7-6,6-0 |