Stadium: Court 6 Round: 62 Ground: Clay
| ITF Germany F5 | 2018/06/24 10:00 | Hoffmann, Bjorn v Breitbach, Kai | 5-7,6-7 |
| ITF USA F33 Qual | 2017/10/08 16:30 | Breitbach, Kai v Johnson, Trevor Allen | 3-6,1-6 |
| Meerbusch, Allemagne, Qualifications | 2017/08/13 14:10 | Breitbach, Kai v Gabb, Richard | 1-6,5-7 |
| Meerbusch, Allemagne, Qualifications | 2017/08/12 15:40 | Anton Chekhov v Breitbach, Kai | 6-3,2-6,6-7 |
| Meerbusch, Allemagne, Qualifications | 2016/08/13 09:45 | Niklas Schell v Breitbach, Kai | 6-3,7-6 |
| ITF Germany F2 Qual | 2016/01/18 09:00 | Alexander Bublik v Breitbach, Kai | 6-4,6-4 |
| ITF Germany F3 Qual | 2015/01/18 12:30 | Breitbach, Kai v Mazzella, Manuel | 0-6,4-6 |
| ITF Germany F5 | 2018/06/24 10:00 | Georgii Kravchenko v Tim Ruehl | 6-7,1-6 |
| ITF USA F32 | 2017/09/24 17:00 | Shropshire, Samuel v Tim Ruehl | 3-6,6-3,6-1 |
| ITF USA F30 | 2017/09/10 16:00 | Tim Ruehl v Forget, Thibault | 4-6,4-6 |
| ITF USA F30 | 2017/09/09 19:30 | Tim Ruehl v Foley, Piers | 6-1,6-7,6-0 |
| ITF Germany F6 | 2017/07/05 13:15 | Louis Wessels v Tim Ruehl | 3-6,4-6 |
| ITF Germany F5 | 2017/06/29 13:00 | Tim Ruehl v Louis Wessels | 4-6,4-6 |
| ITF Germany F5 | 2017/06/27 09:00 | Beran, Martin v Tim Ruehl | 2-6,7-5,3-6 |
| ITF Germany F4 | 2017/06/21 09:00 | Adrian Oetzbach v Tim Ruehl | 6-4,6-4 |