Stadium: Court 2 Round: 25 Ground: Clay
| ITF M25 Kottingbrunn | 2021/07/20 08:00 | Martin Krumich v Lukas Palovic | 7-5,6-2 |
| ITF M25 Kottingbrunn | 2021/07/19 11:05 | Martin Krumich v Francisco T Geschwind | 6-1,6-3 |
| ITF - M15 Doboj | 2021/07/17 11:15 | Martin Krumich v Peter Fajta | 2-6,3-6 |
| ITF - M15 Doboj | 2021/07/16 11:15 | Gergely Madarasz v Martin Krumich | 2-6,7-5,1-6 |
| ITF - M15 Doboj | 2021/07/15 11:55 | Martin Krumich v Fabian Marozsan | 2-6,6-4,7-6 |
| ITF - M15 Doboj | 2021/07/13 12:30 | Velcz, Zsombor v Martin Krumich | 6-3,4-6,6-7 |
| ITF M15 Poprad | 2021/07/04 11:00 | Martin Krumich v Tomas Lanik | 3-6,3-6 |
| ITF - M15 Antalya | 2021/06/16 11:45 | Martin Krumich v Marsel Ilhan | 4-6,3-6 |
| ITF M25 Telfs | 2021/07/18 14:30 | Apostol, Bogdan Ionut v Lukas Neumayer | 6-7,6-2,6-4 |
| ITF M25 Telfs | 2021/07/18 10:00 | Gonzalo Lama v Lukas Neumayer | 6-7,6-7 |
| ITF M25 Telfs | 2021/07/16 11:00 | Giovanni Oradini v Lukas Neumayer | 4-6,4-6 |
| ITF M25 Telfs | 2021/07/14 16:00 | Lukas Neumayer v Nejedly, Pavel | 2-6,6-4,6-1 |
| Challenger Salzburg | 2021/07/04 11:20 | Jiri Lehecka v Lukas Neumayer | 6-3,6-2 |
| Austrian Tennis Championship | 2021/07/02 13:00 | Sebastian Ofner v Lukas Neumayer | 6-3,3-6,6-3 |
| ITF - M15 Monastir | 2021/06/03 10:45 | Lukas Neumayer v Yanki Erel | 6-0,4-6,1-6 |
| ITF - M15 Monastir | 2021/06/01 12:50 | Lukas Neumayer v Gregg, Perry | 6-4,6-2 |