Stadium: Court 4 Round: 26 Ground: Clay
| ITF - M25 Santander | 2023/08/22 07:55 | Alejo Sanchez Quilez v Svyatoslav Gulin | 6-1,2-6,4-6 |
| ITF - M15 Kottingbrunn | 2023/08/17 08:00 | Svyatoslav Gulin v Joel Schwaerzler | 1-6,1-6 |
| ITF - M15 Kottingbrunn | 2023/08/15 08:00 | Sebastian Prechtel v Svyatoslav Gulin | 3-6,6-7 |
| ITF - M15 Uslar | 2023/07/18 10:00 | Sebastian Prechtel v Svyatoslav Gulin | 6-1,6-3 |
| ITF - M25 Kassel | 2023/07/14 14:10 | Svyatoslav Gulin v Andrew Paulson | 2-6,2-6 |
| ITF - M25 Kassel | 2023/07/13 11:00 | Aleksandre Metreveli v Svyatoslav Gulin | 1-6,3-6 |
| ITF - M25 Kassel | 2023/07/12 12:15 | Svyatoslav Gulin v Max Wiskandt | 6-4,6-4 |
| ITF - M15 Kamen | 2023/07/02 08:55 | Svyatoslav Gulin v Hynek Barton | 2-6,6-4,6-2 |
| ITF - M15 Ueberlingen | 2023/08/18 15:30 | David Fix v Fnu Nidunjianzan | 4-6,6-4,6-3 |
| ITF - M15 Ueberlingen | 2023/08/17 08:00 | Mark Wallner v Fnu Nidunjianzan | 4-6,6-4,3-6 |
| ITF - M15 Ueberlingen | 2023/08/16 10:50 | Fnu Nidunjianzan v Tom Gentzsch | 6-4,4-6,6-4 |
| ITF - M15 Pescara | 2023/08/09 10:30 | Luciano Carraro v Fnu Nidunjianzan | 4-6,6-4,6-4 |
| ITF - M15 Pescara | 2023/08/08 08:00 | Fnu Nidunjianzan v Davide Galoppini | 5-7,6-4,7-5 |
| ITF - M15 Xativa | 2023/08/03 15:00 | Fnu Nidunjianzan v Sergio Callejon Hernando | 3-6,3-6 |
| ITF - M15 Xativa | 2023/08/02 19:25 | Fnu Nidunjianzan v Ignacio Parisca | 6-1,6-4 |
| ITF - M15 Huntsville | 2023/05/28 16:45 | Roberto Cid Subervi v Fnu Nidunjianzan | 5-7,3-6 |