Stadion: Court 1 Round: 25 Ground: Hardcourt indoor
| Challenger - Biel | 2023/03/21 15:15 | Marius Copil v Marek Gengel | 6-4,6-3 |
| Challenger - Lugano | 2023/03/06 11:00 | Marek Gengel v Calvin Hemery | 2-6,3-6 |
| Challenger - Lugano | 2023/03/05 13:05 | Marek Gengel v Luca Margaroli | 6-2,6-4 |
| Challenger - Pune | 2023/02/27 08:30 | Rio Noguchi v Marek Gengel | 4-6,6-2,7-6 |
| Challenger - Rovereto | 2023/02/22 11:20 | Marek Gengel v Jan Choinski | 1-6,4-6 |
| Challenger - Manama | 2023/02/15 08:00 | Marek Gengel v Salvatore Caruso | 1-6,2-6 |
| Challenger - Manama | 2023/02/13 12:45 | Filip Cristian Jianu v Marek Gengel | 6-7,7-6,6-7 |
| Challenger - Teneriffa | 2023/02/07 12:50 | Oscar Jose Gutierrez v Marek Gengel | 1-6,6-0,6-3 |
| ITF - M25 - Trnava | 2023/03/28 09:20 | Leanid Boika v Marek Nano | 6-2,5-7,6-10 |
| ITF - M25 - Trnava | 2023/03/27 08:00 | Marek Nano v Matas Vasiliauskas | 7-6,6-1 |
| ITF - M25 - Trnava | 2022/12/05 11:30 | Michal Novansky v Marek Nano | 6-2,6-3 |
| ITF - M25 - Trnava | 2022/11/29 13:00 | Florian Broska v Marek Nano | 6-4,6-3 |
| ITF - M25 - Trnava | 2022/11/28 11:30 | Marek Nano v Dominik Langmajer | 6-4,6-3 |