Stadium: Court 6 Round: 29 Ground: Clay
| ITF M15 Kamen | 2023/07/01 10:00 | Svyatoslav Gulin v Niels Visker | 5-7,6-4,6-1 |
| ITF M15 Kamen | 2023/06/30 10:30 | Svyatoslav Gulin v Hazem Naw | 6-2,6-1 |
| ITF M15 Kamen | 2023/06/29 12:20 | Hady Habib v Svyatoslav Gulin | 4-6,1-6 |
| ITF M15 Kamen | 2023/06/27 10:40 | Franco Emanuel Egea v Svyatoslav Gulin | 4-6,6-3,3-6 |
| ITF M25 Mungia | 2023/06/22 12:25 | Svyatoslav Gulin v Alex Martinez | 6-0,5-7,2-6 |
| ITF M25 Mungia | 2023/06/21 09:00 | Svyatoslav Gulin v Benjamin Winter Lopez | 6-2,6-2 |
| ITF M25 Mungia | 2023/06/20 13:05 | Jaime Faria v Svyatoslav Gulin | 2-6,4-6 |
| ITF M25 Cordoba | 2023/06/05 16:00 | Svyatoslav Gulin v Gerard Planelles Ripoll | 3-6,6-3,5-10 |
| ITF M15 Kamen | 2023/07/01 12:40 | Hynek Barton v Tom Gentzsch | 7-6,7-5 |
| ITF M15 Kamen | 2023/06/30 09:00 | Hynek Barton v Francois Musitelli | 6-1,6-4 |
| ITF M15 Kamen | 2023/06/29 11:00 | Jeremy Jahn v Hynek Barton | 4-6,4-6 |
| ITF M15 Kamen | 2023/06/28 08:55 | Lambert Ruland v Hynek Barton | 5-7,3-6 |
| ITF M15 Kamen | 2023/06/26 15:00 | Hynek Barton v Daniel Orlita | 6-4,7-5 |
| ITF M15 Kursumlijska Banja | 2023/06/22 07:30 | Hynek Barton v Zsombor Velcz | 6-2,6-7,1-6 |
| ITF M15 Kursumlijska Banja | 2023/06/21 08:30 | Hynek Barton v Joao Eduardo Schiessl | 6-2,7-5 |
| Challenger Prostejov | 2023/06/07 13:35 | Hynek Barton v Dimitar Kuzmanov | 6-2,3-6,1-6 |