| ITF M25 Antalya | 02/01 07:00 | 25 | Alex Barrena v Lukas Neumayer | 4-6,6-0,6-4 | |
| Challenger Tenerife | 01/17 10:00 | 25 | [225] Marco Trungelliti v Lukas Neumayer [300] | 7-6,2-6,7-5 | |
| Challenger Tenerife | 01/16 10:00 | 19 | [359] Viktor Durasovic v Lukas Neumayer [300] | Retired | |
| Challenger Tenerife | 01/15 11:35 | 14 | Cristian Campese v Lukas Neumayer | 1-6,0-6 | |
| Challenger Oeiras | 01/10 11:00 | 25 | [295] Lukas Neumayer v Goncalo Oliveira [489] | 2-6,2-6 | |
| Challenger Oeiras | 01/02 15:50 | 25 | [274] Maximilian Neuchrist v Lukas Neumayer [296] | 7-5,7-6 | |
| Challenger Maspalomas | 11/30 12:40 | 26 | [305] Lorenzo Giustino v Lukas Neumayer [304] | 6-3,7-5 | |
| Challenger Maspalomas | 11/28 14:35 | 25 | [304] Lukas Neumayer v Miljan Zekic [234] | 6-1,6-3 | |
| ITF M25 Monastir | 11/04 10:40 | 27 | [297] Lukas Neumayer v Ugo Blanchet [337] | 2-6,4-6 | |
| ITF M25 Monastir | 11/03 08:30 | 26 | [297] Lukas Neumayer v Sergey Fomin [381] | 6-0,5-7,6-2 | |
| ITF M25 Monastir | 11/02 08:30 | 25 | [297] Lukas Neumayer v Ray Ho [338] | 6-2,7-6 | |
| ATP Vienna | 10/22 09:00 | 14 | [292] Lukas Neumayer v Quentin Halys [66] | 1-6,4-6 | |
| ITF M25 Santa Margherita | 10/14 15:30 | 27 | Fausto Tabacco v Lukas Neumayer | 7-6,6-4 | |
| ITF M25 Santa Margherita | 10/14 11:10 | 26 | [475] Daniele Capecchi v Lukas Neumayer [305] | 4-6,3-6 | |
| ITF M25 Santa Margherita | 10/10 15:50 | 25 | Julian Alonso v Lukas Neumayer | 2-6,0-6 | |
| ITF M25 Santa Margherita | 10/07 11:00 | 28 | [302] Lukas Neumayer v Timo Stodder [413] | 3-6,4-6 | |
| ITF M25 Santa Margherita | 10/06 13:00 | 27 | Lukas Neumayer v Stefanos Sakellaridis | 6-2,6-1 | |
| ITF M25 Santa Margherita | 10/05 11:00 | 26 | Lukas Neumayer v Gabriele Maria Noce | 6-1,6-4 | |
| ITF M25 Santa Margherita | 10/04 13:05 | 25 | Lukas Neumayer v Giammarco Gandolfi | 6-3,6-0 | |
| Challenger Genova | 09/20 12:05 | 25 | [334] Lukas Neumayer v Marco Cecchinato [147] | 4-6,3-6 | |
| ITF M25 Madrid | 09/17 09:00 | 29 | [306] Nicolas Moreno De Alboran v Lukas Neumayer [333] | 4-6,1-6 | |
| ITF M25 Madrid | 09/16 09:25 | 28 | [403] Alberto Barroso Campos v Lukas Neumayer [333] | 1-6,2-6 | |
| ITF M25 Madrid | 09/15 13:00 | 27 | Svyatoslav Gulin v Lukas Neumayer | 1-6,3-6 | |
| ITF M25 Madrid | 09/14 08:30 | 26 | Luis D C Villalpando v Lukas Neumayer | 5-7,3-6 | |
| ITF M25 Madrid | 09/13 10:00 | 25 | Jean Baptiste Badon v Lukas Neumayer | 6-7,3-6 | |
| Challenger Tulln | 09/05 13:00 | 25 | [333] Lukas Neumayer v Elias Ymer [133] | 3-6,4-6 | |
| Challenger Como | 08/28 12:20 | 14 | [325] Lukas Neumayer v Cezar Cretu [440] | 6-1,4-6,3-6 | |
| Challenger Prague | 08/22 11:45 | 25 | [325] Lukas Neumayer v Henri Squire [291] | 1-6,4-6 | |
| Challenger San Marino | 08/10 19:00 | 26 | [347] Lukas Neumayer v Matteo Arnaldi [286] | 3-6,4-6 | |
| Challenger San Marino | 08/09 10:00 | 25 | [304] Ivan Gakhov v Lukas Neumayer [347] | 2-6,6-7 |