| ITF - M15 Grenoble | 02/06 14:05 | 25 | Semmler, Miguel v Kyrian Jacquet | Retired | |
| ITF M15 Palmanova | 01/31 09:00 | 26 | [488] Semmler, Miguel v Oriol Roca Batalla [386] | 3-6,3-6 | |
| ITF M15 Palmanova | 01/30 10:30 | 25 | Semmler, Miguel v Sude, Jakob | 6-3,6-3 | |
| ITF M15 Palmanova | 01/25 12:20 | 27 | Semmler, Miguel v Ehrat, Sandro | 6-7,0-6 | |
| ITF M15 Palmanova | 01/24 10:00 | 26 | Quentin Folliot v Semmler, Miguel | Retired | |
| ITF M15 Palmanova | 01/22 13:25 | 25 | Diep, Florent v Semmler, Miguel | 3-6,4-6 | |
| ITF Portugal F22 | 10/27 10:00 | 27 | Semmler, Miguel v Gijs Brouwer | 6-4,3-6,1-6 | |
| ITF Portugal F22 | 10/25 10:35 | 26 | Semmler, Miguel v Bondarevskiy, Yan | 6-4,6-1 | |
| ITF Portugal F22 | 10/23 10:20 | 25 | Semmler, Miguel v Goncalo Falcao | 6-2,6-0 | |
| ITF Portugal F21 | 10/19 11:00 | 28 | Semmler, Miguel v Gil, Fred | 5-7,6-4,5-7 | |
| ITF Portugal F21 | 10/18 13:30 | 27 | Franco Emanuel Egea v Semmler, Miguel | 3-6,2-6 | |
| ITF Portugal F21 | 10/17 10:40 | 26 | Tikhomirov, Maksim v Semmler, Miguel | 4-6,3-6 | |
| ITF Portugal F21 | 10/16 15:55 | 25 | Matos, Diego v Semmler, Miguel | 6-1,1-6,3-6 | |
| Challenger - Barcelone | 10/09 11:00 | 25 | Semmler, Miguel v Alessandro Giannessi | 4-6,3-6 | |
| ITF Spain F29 | 09/28 10:00 | 27 | Salman, Omar v Semmler, Miguel | 6-3,7-5 | |
| ITF Spain F29 | 09/27 10:00 | 26 | [479] Semmler, Miguel v Martos Gornes, Sergio [287] | 6-1,2-6,6-2 | |
| ITF Spain F29 | 09/25 08:30 | 25 | Pol M Tiffon v Semmler, Miguel | 0-6,6-2,2-6 | |
| ITF Spain F28 | 09/19 09:40 | 25 | Peter Heller v Semmler, Miguel | 6-1,6-4 | |
| ITF Spain F26 | 09/08 14:45 | 28 | [445] Semmler, Miguel v Esteve Lobato, Eduard [385] | 3-6,1-6 | |
| ITF Spain F26 | 09/08 09:25 | 27 | [445] Semmler, Miguel v Orlando Luz [410] | 6-2,6-7,6-2 | |
| ITF Spain F26 | 09/07 12:05 | 26 | [323] Pla Malfeito, Jaume v Semmler, Miguel [445] | 6-7,2-6 | |
| ITF Spain F26 | 09/04 13:05 | 25 | Andres F Canovas v Semmler, Miguel | 6-2,2-6,3-6 | |
| ITF Spain F25 | 08/28 09:00 | 25 | [268] Oriol Roca Batalla v Semmler, Miguel [445] | 6-3,4-6,7-6 | |
| ITF Spain F24 | 08/24 14:00 | 28 | [451] Barranco Cosano, Javier v Semmler, Miguel [450] | 6-0,6-3 | |
| ITF Spain F24 | 08/23 15:20 | 27 | Hidalgo, Diego v Semmler, Miguel | 3-6,6-1,3-6 | |
| ITF Spain F24 | 08/22 12:25 | 26 | [450] Semmler, Miguel v Esteve Lobato, Eduard [418] | Retired | |
| ITF Spain F24 | 08/21 16:00 | 25 | Borja G-De La Maza v Semmler, Miguel | 0-6,3-6 | |
| ITF Romania F8 | 08/10 09:40 | 27 | [451] Semmler, Miguel v Dima, Dragos [374] | 1-6,3-6 | |
| ITF Romania F8 | 08/09 07:00 | 26 | Semmler, Miguel v Dan Alexandru Tomescu | 7-6,6-2 | |
| ITF Romania F8 | 08/08 07:00 | 25 | Semmler, Miguel v Georgescu, Matei Adrian | 6-0,6-4 |