| ITF Austria F2 | 06/30 12:30 | - | Hirschmueller, Christian v Dischinger, Eduardo | 6-1,6-1 | |
| ITF Austria F1 | 06/23 10:30 | - | Hirschmueller, Christian v Ternar, Tomislav | 3-6,3-6 | |
| ITF Belgium F2 | 06/15 08:00 | - | Hirschmueller, Christian v Okala, Jules | 1-6,1-6 | |
| ITF Czech Republic F3 Qual | 05/25 08:00 | - | Hirschmueller, Christian v Dettinger, Moritz | 7-5,6-3 | |
| ITF Egypt F33 | 04/16 09:25 | - | Smirnov, Artem v Hirschmueller, Christian | 4-6,6-2,6-3 | |
| ITF Egypt F33 | 04/15 09:40 | - | Blumenberg, Alex v Hirschmueller, Christian | 6-7,4-6 | |
| ITF Egypt F13 | 04/09 08:00 | - | Konecny, Michal v Hirschmueller, Christian | 6-3,7-5 | |
| ITF Egypt F13 | 04/08 09:30 | - | Christian Felline v Hirschmueller, Christian | 0-6,1-6 | |
| ITF Switzerland F2 | 03/19 16:30 | - | Sommer, Enzo v Hirschmueller, Christian | 7-5,4-6,7-6 | |
| ITF Switzerland F1 | 03/10 12:30 | - | Fallert, Florian v Hirschmueller, Christian | 6-2,7-5 | |
| ITF Switzerland F1 Qual | 03/08 10:00 | - | Hirschmueller, Christian v Dario Huber | 6-1,6-0 | |
| ITF Italy F2 Qual | 02/21 10:10 | - | Matteo Berrettini v Hirschmueller, Christian | Retired | |
| Turkey F6, Singles Qualifying | 02/07 07:00 | - | Hirschmueller, Christian v Sieber, Marc | 4-6,0-6 | |
| ITF Turkey F5 | 02/02 09:00 | - | Hirschmueller, Christian v Beran, Martin | 4-6,2-6 | |
| ITF Germany F3 | 01/22 13:25 | - | Hirschmueller, Christian v Brands, Daniel | 5-7,7-6,3-6 | |
| ITF Germany F3 | 01/21 14:25 | - | Stanek, Robin v Hirschmueller, Christian | 3-6,4-6 | |
| ITF Germany F3 Qual | 01/19 13:00 | - | Mies, Andreas v Hirschmueller, Christian | 5-7,5-7 | |
| ITF Germany F3 Qual | 01/19 08:00 | - | Yvo Panak v Hirschmueller, Christian | 2-6,6-7 | |
| ITF Germany F3 Qual | 01/18 08:00 | - | Lin, Liang Yu Richard v Hirschmueller, Christian | 2-6,3-6 | |
| ITF Germany F2 | 01/13 13:05 | - | Hirschmueller, Christian v Krawietz, Kevin | 3-6,1-6 | |
| ITF Germany F1 | 01/07 13:20 | - | Hirschmueller, Christian v Kobelt, Peter | 4-6,6-7 | |
| ITF Germany F1 Qual | 01/06 09:00 | - | Hirschmueller, Christian v Christ, Constantin | 7-5,6-1 | |
| ITF Germany F1 Qual | 01/05 09:00 | - | Hirschmueller, Christian v Remy Bertola | 6-0,6-1 | |
| ITF Tunisia F8 | 11/19 12:20 | - | Ben Hassen, Ameur v Hirschmueller, Christian | 4-6,5-7 | |
| ITF Tunisia F8 | 11/17 11:35 | - | de Goeijen, Bobby v Hirschmueller, Christian | 1-6,6-1,3-6 | |
| ITF Tunisia F7 | 11/13 08:30 | - | Hirschmueller, Christian v Onishi, Ken | 3-6,3-6 | |
| ITF Tunisia F7 | 11/10 10:30 | - | Kostin, Viktor v Hirschmueller, Christian | 6-7,2-6 | |
| ITF Tunisia F7 | 11/09 10:00 | - | Harper-Griffith, Levar v Hirschmueller, Christian | 6-7,1-6 | |
| Tunisia F6, Singles Qualifying | 11/06 10:30 | - | Hirschmueller, Christian v Cagnina, Julien | 2-6,5-7 | |
| Tunisia F6, Singles Qualifying | 11/05 08:30 | - | Kilani, Majed v Hirschmueller, Christian | 2-6,3-6 |