| Challenger Oeiras | 04/16 16:25 | 25 | [331] Mathys Erhard v Emilio Nava [124] | 6-4,3-6,2-6 | |
| Challenger Oeiras | 04/15 09:30 | 19 | [234] Manuel Guinard v Mathys Erhard [331] | 5-7,6-4,3-6 | |
| Challenger Oeiras | 04/14 09:30 | 14 | [330] Mathys Erhard v Marvin Moeller [313] | 4-6,6-2,6-4 | |
| Challenger Split | 04/09 08:00 | 25 | [330] Mathys Erhard v Lukas Neumayer [209] | 3-6,2-6 | |
| Challenger Split | 04/08 08:00 | 19 | [330] Mathys Erhard v Jakub Nicod [402] | 4-6,6-7 | |
| Challenger Split | 04/07 09:10 | 14 | [330] Mathys Erhard v Max Hans Rehberg [499] | 7-6,7-6 | |
| Challenger Barcelona | 04/02 08:00 | 25 | [281] Javier Barranco Cosano v Mathys Erhard [330] | 6-4,7-5 | |
| Challenger Zadar | 03/19 11:50 | 25 | [330] Mathys Erhard v Lukas Neumayer [219] | 3-6,2-6 | |
| Challenger Zadar | 03/18 10:35 | 19 | [330] Mathys Erhard v Andrea Picchione [385] | 6-1,6-0 | |
| Challenger Zadar | 03/17 13:25 | 14 | Mathys Erhard v Luca Giacomini | 6-2,6-4 | |
| Challenger Szekesfehervar | 03/11 09:00 | 19 | Mathys Erhard v Gerald Melzer | 3-6,1-6 | |
| Challenger Szekesfehervar | 03/10 09:00 | 14 | [327] Mathys Erhard v Matthew Dellavedova [442] | 7-6,6-2 | |
| ITF M25 Antalya | 02/22 08:40 | 26 | [422] Lucas Gerch v Mathys Erhard [336] | 6-3,7-5 | |
| ITF M25 Antalya | 02/21 07:00 | 25 | Nikita Naskidashvili v Mathys Erhard | 0-6,0-6 | |
| ITF M25 Antalya | 02/15 08:30 | 25 | [387] Nick Hardt v Mathys Erhard [336] | Retired | |
| ITF M25 Antalya | 02/10 11:15 | 28 | [226] Clement Tabur v Mathys Erhard [335] | 6-3,6-4 | |
| ITF M25 Antalya | 02/09 10:00 | 27 | Mathys Erhard v Gerald Melzer | 4-6,6-2,7-6 | |
| ITF M25 Antalya | 02/08 07:00 | 26 | Mathys Erhard v Marco Furlanetto | 6-3,6-3 | |
| ITF M25 Antalya | 02/07 07:00 | 25 | Mathys Erhard v Berk Ilkel | 6-0,6-3 | |
| ITF M25 Antalya | 02/03 08:00 | 28 | Mathys Erhard v Bautista Vilicich | 7-5,6-7,2-6 | |
| ITF M25 Antalya | 02/02 09:20 | 27 | Mathys Erhard v Stefan Popovic | 7-6,6-3 | |
| ITF M25 Antalya | 02/01 07:00 | 26 | Mathys Erhard v Mert Naci Turker | 6-4,3-6,7-6 | |
| ITF M25 Antalya | 01/31 06:55 | 25 | Mathys Erhard v Gokberk Saritas | 6-2,6-2 | |
| ITF M25 Doha | 01/20 07:00 | 26 | Mathys Erhard v Mashari Nawaf | Cancelled | |
| ITF M25 Doha | 01/16 17:10 | 25 | Mathys Erhard v Stefan Palosi | 1-6,6-4,5-7 | |
| Challenger Oeiras | 01/08 10:30 | 19 | [397] Elmer Moller v Mathys Erhard [332] | 6-0,7-5 | |
| Challenger Oeiras Qual | 01/07 14:00 | 14 | Francisco Rocha v Mathys Erhard | 4-6,6-3,3-6 | |
| Challenger Yokkaichi | 11/28 02:30 | 25 | [181] Zdenek Kolar v Mathys Erhard [335] | 6-1,5-7,6-2 | |
| Challenger Yokohama | 11/23 03:00 | 26 | [98] Yosuke Watanuki v Mathys Erhard [342] | 6-4,6-3 | |
| Challenger Yokohama | 11/21 03:45 | 25 | [366] Colin Sinclair v Mathys Erhard [342] | 3-6,2-6 |