Stadium: Grandstand Round: 14 Ground: Clay
| Challenger Banja Luka | 2022/08/21 10:10 | Oleg Prihodko v Marko Topo | 6-7,6-7 |
| ATP Hamburg | 2023/07/22 08:30 | Cristian Garin v Marko Topo | 6-3,6-4 |
| Challenger Braunschweig | 2023/07/10 14:30 | Marko Topo v Henri Laaksonen | 6-4,2-6,4-6 |
| Challenger Karlsruhe | 2023/07/06 16:00 | Marko Topo v Thiago Seyboth Wild | 4-6,2-6 |
| Challenger Karlsruhe | 2023/07/04 14:00 | Miljan Zekic v Marko Topo | 3-6,4-6 |
| ITF M15 Kursumlijska Banja | 2023/06/22 09:40 | Stefan Popovic v Marko Topo | 1-6,6-3,7-6 |
| ITF M15 Kursumlijska Banja | 2023/06/20 09:15 | Marko Topo v Sean Hess | 6-2,6-4 |
| ITF M15 Kursumlijska Banja | 2023/06/19 12:05 | Marko Topo v Kirill Mishkin | 6-3,6-4 |
| ITF M15 Kursumlijska Banja | 2023/06/18 15:00 | Marko Topo v Henrique S Gomes | 6-2,6-1 |
| Challenger Liberec | 2023/07/30 10:50 | Toby Alex Kodat v Oleg Prihodko | 6-4,6-4 |
| ITF M25 Bacau | 2023/07/28 07:00 | Hernan Casanova v Oleg Prihodko | 3-6,6-3,7-6 |
| ITF M25 Bacau | 2023/07/27 09:45 | Valentin Vanta v Oleg Prihodko | 3-6,6-2,2-6 |
| ITF M25 Bacau | 2023/07/26 14:40 | Ioan A Teglas v Oleg Prihodko | 6-4,2-6,0-6 |
| Challenger Amersfoort | 2023/07/16 13:05 | Alex M Pujolras v Oleg Prihodko | 6-4,7-6 |
| UTR Pro Olomouc | 2023/07/09 08:38 | Oleg Prihodko v Dominik Suc | 6-1,0-0 |
| UTR Pro Olomouc | 2023/07/08 07:30 | Oleg Prihodko v Anthony Wright | 6-0,6-2 |
| UTR Pro Olomouc | 2023/07/06 06:00 | Oleg Prihodko v Artem Podorozhnyi | 3-6,6-2,6-1 |