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