Stadium: Court 2 Round: 14 Ground: Clay
| ITF M15 Sharm El Sheikh | 2022/02/23 13:10 | Robert Strombachs v Marek Gengel | 7-6,7-6 |
| ITF M25 Elvas | 2024/06/15 09:00 | Duarte Vale v Marek Gengel | 6-4,6-3 |
| ITF M25 Elvas | 2024/06/14 09:00 | Marek Gengel v Jules Marie | 6-2,1-6,7-6 |
| ITF M25 Elvas | 2024/06/13 09:00 | Marek Gengel v Patrick Schoen | 3-6,6-4,6-3 |
| ITF M25 Elvas | 2024/06/12 10:00 | Marek Gengel v Pedro Araujo | 7-5,6-4 |
| ITF M25 Setubal | 2024/06/06 09:30 | Orel Kimhi v Marek Gengel | 7-6,6-4 |
| ITF M25 Setubal | 2024/06/04 13:30 | Ofek Shimanov v Marek Gengel | 4-6,1-6 |
| ITF M25 Kachreti | 2024/05/13 10:00 | Marek Gengel v Grigoriy Lomakin | 4-6,1-6 |
| ITF M25 Kachreti | 2024/05/12 13:00 | Marek Gengel v Giorgi Giorgadze | 6-0,6-3 |
| ITF M15 Wroclaw | 2024/06/26 10:15 | Robert Strombachs v Karol Drzewiecki | 4-6,4-6 |
| Challenger Poznan | 2024/06/16 08:30 | Timo Stodder v Robert Strombachs | 6-3,6-1 |
| Challenger Zagreb | 2024/06/02 08:00 | Nino Serdarusic v Robert Strombachs | 6-3,6-4 |
| ITF M15 Bol | 2024/05/30 11:45 | Robert Strombachs v Mili Poljicak | 5-7,6-3,5-7 |
| ITF M15 Bol | 2024/05/29 07:30 | Robert Strombachs v Nikos Lehmann | 6-4,6-0 |
| Challenger Kachreti | 2024/05/22 06:00 | Philip Sekulic v Robert Strombachs | 7-6,7-6 |
| Challenger Kachreti | 2024/05/21 08:45 | Robert Strombachs v Alafia Ayeni | 6-4,2-6,7-5 |
| ITF M25 Kachreti | 2024/05/15 09:30 | Robert Strombachs v Ulises Blanch | 4-6,6-4,6-7 |