Stadium: Hard Court 3 Round: 62 Ground: Hardcourt outdoor
| ITF M25 Heraklion | 2023/11/13 13:45 | Jannik Maute v Sergo Sikharulidze | 6-2,6-1 |
| ITF M25 Heraklion | 2023/11/12 12:00 | Nicola Ion v Sergo Sikharulidze | 7-5,0-6,8-10 |
| ITF M25 Telavi | 2023/10/24 06:00 | Jeremy Gschwendtner v Sergo Sikharulidze | 6-0,6-3 |
| ITF M25 Telavi | 2023/10/23 06:00 | Heng Yi Zhang v Sergo Sikharulidze | 3-6,0-6 |
| ITF M25 Telavi | 2023/10/15 08:30 | Josh Reid v Sergo Sikharulidze | 6-4,6-3 |
| ITF M25 Telavi | 2023/10/10 06:00 | Sergo Sikharulidze v Maxence Bertimon | 1-6,3-6 |
| ITF M25 Telavi | 2023/10/08 06:00 | Sergo Sikharulidze v Luka Januashvili | 7-6,6-1 |
| UTR - Pro Olomouc | 2023/09/16 06:00 | Sergo Sikharulidze v Lukas Dillenz | 4-6,1-6 |
| ITF M25 Heraklion | 2023/11/12 13:00 | Sergis Kyratzis v Kostka, Thomas | 7-6,6-2 |
| ITF M25 Heraklion | 2023/11/06 07:00 | Kostka, Thomas v Adam Heinonen | 6-7,2-6 |
| ITF - M15 Héraklion | 2023/10/23 10:30 | Kostka, Thomas v Andrew Fenty | 5-7,6-4,9-11 |
| ITF - M15 Héraklion | 2023/10/18 09:25 | Benjamin Pietri v Kostka, Thomas | 6-3,6-2 |
| ITF - M15 Héraklion | 2023/10/16 09:00 | Tanner, Gian Luca v Kostka, Thomas | 6-3,1-6,8-10 |
| ITF - M15 Héraklion | 2023/10/15 08:30 | Evangelos Kypriotis v Kostka, Thomas | 2-6,1-6 |
| ITF M25 Grasse | 2023/06/11 08:30 | Theo Herrmann v Kostka, Thomas | 6-2,6-4 |
| ITF - M15 Monastir | 2023/03/13 15:00 | Kostka, Thomas v Zoran Ludoski | 3-6,2-6 |