| Challenger San Marino | 08/08 08:00 | 19 | Lukas Neumayer v Marco De Rossi | 6-2,6-1 | |
| Challenger San Marino | 08/07 08:00 | 14 | Lukas Neumayer v Marco Miceli | 7-6,6-2 | |
| Challenger Liberec | 08/02 13:10 | 25 | [272] Otto Virtanen v Lukas Neumayer [348] | 3-6,6-4,6-4 | |
| Challenger Liberec | 08/01 08:00 | 19 | [347] Lukas Neumayer v Matthieu Perchicot [456] | 6-4,6-4 | |
| Challenger Liberec | 07/31 08:00 | 14 | Lukas Neumayer v Adam Jurajda | 6-4,6-2 | |
| ATP Kitzbuhel | 07/23 11:05 | 26 | [124] Vit Kopriva v Lukas Neumayer [345] | 3-6,6-4,6-1 | |
| Challenger Trieste | 07/20 14:30 | 26 | [161] Alexandre Muller v Lukas Neumayer [345] | 7-5,6-0 | |
| Challenger Trieste | 07/19 08:00 | 25 | [275] Matteo Gigante v Lukas Neumayer [345] | 6-1,3-6,4-6 | |
| Challenger Trieste | 07/18 09:00 | 19 | [345] Lukas Neumayer v Giovanni Fonio [436] | 3-6,7-6,6-2 | |
| Challenger Trieste | 07/17 08:00 | 14 | [341] Lukas Neumayer v Remy Bertola [463] | 3-6,6-1,6-2 | |
| Challenger Salzburg | 07/08 10:30 | 27 | [439] Lukas Neumayer v Corentin Moutet [127] | 2-6,2-6 | |
| Challenger Salzburg | 07/07 10:30 | 26 | [62] Arthur Rinderknech v Lukas Neumayer [439] | 5-7,3-6 | |
| Challenger Salzburg | 07/05 12:30 | 25 | [170] Gilles Simon v Lukas Neumayer [439] | 2-6,4-6 | |
| ITF M25 Klosters | 06/26 08:00 | 29 | [439] Lukas Neumayer v Mattia Bellucci [395] | 3-6,2-6 | |
| ITF M25 Klosters | 06/25 08:00 | 28 | [495] Remy Bertola v Lukas Neumayer [439] | 6-2,3-6,2-6 | |
| ITF M25 Klosters | 06/24 09:10 | 27 | Sandro Kopp v Lukas Neumayer | 3-6,7-6,3-6 | |
| ITF M25 Klosters | 06/23 09:20 | 26 | Luca Staeheli v Lukas Neumayer | 4-6,3-6 | |
| ITF M25 Klosters | 06/22 13:10 | 25 | Mirko Martinez v Lukas Neumayer | 7-6,1-6,2-6 | |
| Challenger Bratislava | 06/05 09:00 | 14 | [433] Lukas Neumayer v Alejandro Moro Canas [401] | 6-4,1-6,4-6 | |
| Challenger Prostejov | 05/30 10:10 | 19 | [306] Francisco Comesana v Lukas Neumayer [434] | 6-4,4-6,6-4 | |
| Challenger Prostejov | 05/29 13:15 | 14 | Daniel Siniakov v Lukas Neumayer | 6-4,2-6,0-6 | |
| ITF M25 Prague | 05/14 11:10 | 28 | Lukas Neumayer v Martin Krumich | 5-7,6-4,2-6 | |
| ITF M25 Prague | 05/13 10:00 | 27 | Lukas Neumayer v Antonin Bolardt | Retired | |
| ITF M25 Prague | 05/12 08:00 | 26 | Lukas Neumayer v Filip Duda | 6-1,6-2 | |
| ITF M25 Prague | 05/11 12:15 | 25 | [409] Marek Gengel v Lukas Neumayer [446] | 2-6,7-6,4-6 | |
| Challenger Mauthausen | 05/03 09:55 | 25 | [248] Alexander Shevchenko v Lukas Neumayer [472] | 2-6,6-3,6-0 | |
| ITF M25 Santa Margherita | 04/29 12:00 | 28 | [285] Miljan Zekic v Lukas Neumayer [469] | 1-6,6-4,6-3 | |
| ITF M25 Santa Margherita | 04/28 13:30 | 27 | [344] Louis Wessels v Lukas Neumayer [469] | 4-6,1-6 | |
| ITF M25 Santa Margherita | 04/27 13:25 | 26 | Mikalai Haliak v Lukas Neumayer | 2-6,3-6 | |
| ITF M25 Santa Margherita | 04/26 14:15 | 25 | Giannicola Misasi v Lukas Neumayer | 2-6,0-6 |