Ground: Carpet indoor
| UTR Pro Olomouc | 2023/11/09 07:00 | Jiri Cizek v Rafael Kis Balazs | 6-3,7-6 |
| UTR Pro Olomouc | 2023/11/08 09:09 | Petr Michnev v Jiri Cizek | 6-2,7-5 |
| UTR Pro Olomouc | 2023/11/07 07:00 | Lukas Dillenz v Jiri Cizek | 4-6,6-6 |
| ITF M25 Sabadell | 2023/09/25 07:30 | John Sperle v Jiri Cizek | 6-0,6-0 |
| ITF M25 Sabadell | 2023/09/24 07:30 | Axel Herberg Amoros v Jiri Cizek | 3-6,2-6 |
| ITF M25 Jablonec Nad Nisou | 2023/08/31 08:45 | Timo Stodder v Jiri Cizek | 6-4,6-1 |
| ITF M25 Jablonec Nad Nisou | 2023/08/29 12:30 | Noel Larwig v Jiri Cizek | 4-6,2-6 |
| ITF M25 Santander | 2023/08/20 09:00 | Sergio Callejon Hernando v Jiri Cizek | 6-2,6-4 |
| UTR Pro Olomouc | 2023/11/09 08:30 | Petr Michnev v Lukas H Lilleengen | 6-3,7-5 |
| UTR Pro Olomouc | 2023/11/08 08:30 | Lukas Dillenz v Lukas H Lilleengen | 6-1,1-6,5-3 |
| ITF M15 Naples | 2023/03/01 16:25 | ZhengQing Ji v Lukas H Lilleengen | 7-5,6-3 |
| ITF M15 Naples | 2023/02/28 14:30 | Arthur Bonnaud v Lukas H Lilleengen | 2-6,5-7 |
| ITF M15 Naples | 2023/02/20 15:00 | Oren Vasser v Lukas H Lilleengen | 6-3,0-6,10-2 |
| ITF M15 Bagnoles-de-l'Orne | 2023/01/25 10:00 | Lukas H Lilleengen v Constantin Bittoun Kouzmine | 2-6,6-3,3-6 |
| ITF M15 Bagnoles-de-l'Orne | 2023/01/23 14:10 | Lukas H Lilleengen v Maxence Rivet | 6-3,2-6,10-7 |
| ITF M15 Bagnoles-de-l'Orne | 2023/01/22 14:00 | Lukas H Lilleengen v Louis Larue | 6-2,6-1 |