Stadium: Court 1 Round: 54 Ground: Hardcourt indoor
| ITF M25 Champaign | 2023/07/19 16:50 | Noah Schachter v Vito Tonejc | 2-6,6-2,6-4 |
| ITF M15 Celje | 2023/06/30 10:25 | Vito Tonejc v Pawel Juszczak | 3-6,1-6 |
| ITF M15 Celje | 2023/06/29 11:00 | Gal Emersic Potocnik v Vito Tonejc | 6-7,1-6 |
| ITF M15 Celje | 2023/06/28 11:10 | Matthias Ujvary v Vito Tonejc | 4-6,3-6 |
| ITF M25 Skopje | 2023/06/10 08:00 | Sascha Gueymard Wayenburg v Vito Tonejc | 7-6,6-1 |
| ITF M25 Skopje | 2023/06/09 09:50 | Vito Tonejc v Toby Martin | 6-3,6-7,6-4 |
| ITF M25 Skopje | 2023/06/08 07:50 | Vito Tonejc v Luka Petrovic | 7-5,6-4 |
| ITF M25 Skopje | 2023/06/07 07:20 | Wilson Leite v Vito Tonejc | 3-6,5-7 |
| ITF M15 Celje | 2023/06/26 08:00 | Aljaz Jeran v Michal Krajci | 6-3,5-7,11-9 |
| ITF M25 Poprad | 2023/06/19 10:25 | Michal Krajci v Stepan Mruzek | 4-6,6-7 |
| ITF M25 Poprad | 2023/06/18 08:00 | Michal Krajci v Dung Em Oliver Dao | 6-2,6-1 |
| Challenger Bratislava | 2023/06/12 08:00 | Michal Krajci v Gerald Melzer | 6-3,3-6,2-6 |
| ITF M15 Nyiregyhaza | 2023/06/05 12:00 | Lukas Palovic v Michal Krajci | 6-2,6-4 |
| ITF M25 Prague | 2023/05/15 10:30 | Michal Krajci v Lukas Velik | 3-6,2-6 |
| ITF M25 Prague | 2023/05/14 11:00 | Michal Krajci v Markus Wunder | 6-2,2-6,10-7 |
| ITF M15 Trnava | 2022/12/07 10:10 | Michal Krajci v Daniel Rincon | 2-6,6-7 |