Ground: Clay
| ITF Austria F1 | 2015/06/20 09:00 | Choudhary, Ahmed v Dittmer, Philipp | 2-6,5-7 |
| ITF Turkey F13 | 2015/03/28 10:00 | Dittmer, Philipp v Alexander Babanine | 4-6,3-6 |
| Turkey F12, Singles Qualifying | 2015/03/21 07:30 | Jonathan Mridha v Dittmer, Philipp | 6-3,6-1 |
| ITF Germany F3 Qual | 2015/01/18 08:00 | Niels Lootsma v Dittmer, Philipp | 7-6,7-6 |
| ITF Germany F15 | 2014/10/06 08:00 | Drzewiecki, Karol v Dittmer, Philipp | 3-6,6-4,7-5 |
| ITF Germany F14 | 2014/10/01 10:00 | Dittmer, Philipp v Wagner, Hannes | 1-6,1-6 |
| ITF Germany F14 | 2014/09/30 08:00 | Oakley, Keelan v Dittmer, Philipp | 1-6,4-6 |
| ITF Germany F13 | 2014/08/17 08:00 | Dittmer, Philipp v Yvo Panak | 6-4,4-6,6-2 |
| ITF Czech Republic F3 Qual | 2015/05/25 08:00 | Hirschmueller, Christian v Dettinger, Moritz | 7-5,6-3 |
| ITF Czech Republic F1 Qual | 2015/05/11 09:00 | Blasko, Martin v Dettinger, Moritz | 2-6,6-3,6-2 |
| ITF USA F9 Qual | 2015/02/21 15:00 | Dettinger, Moritz v Ryota Tanuma | 0-6,4-6 |
| ITF USA F8 Qual | 2015/02/15 16:30 | Dettinger, Moritz v Orlando Luz | 2-6,4-6 |
| ITF USA F8 Qual | 2015/02/14 17:00 | Schalet, Myles v Dettinger, Moritz | 4-6,1-6 |
| ITF USA F7 Qual | 2015/02/07 15:00 | Dettinger, Moritz v Alex Rybakov | 4-6,3-6 |
| ITF USA F7 Qual | 2015/02/06 14:30 | Kaster, Kaptan v Dettinger, Moritz | 2-6,2-6 |
| ITF Germany F3 Qual | 2015/01/18 12:30 | Wette, Cornell v Dettinger, Moritz | 2-6,5-7 |