| UTR Pro Zadar | 2023/03/31 07:30 | Oleg Prihodko v Duje Ajdukovic | 3-6,6-0,2-6 |
| UTR Pro Zadar | 2023/03/30 06:00 | Oleg Prihodko v Josip Simundza | 6-2,7-5 |
| UTR Pro Zadar | 2023/03/29 06:00 | Andre Biro v Oleg Prihodko | 2-6,1-6 |
| UTR Pro Zadar | 2023/03/28 07:30 | Ivan Sergeyev v Oleg Prihodko | 6-4,3-6,0-6 |
| Challenger Szekesfehervar | 2023/03/16 09:00 | Oleg Prihodko v Damir Dzumhur | 3-6,6-1,3-6 |
| Challenger Szekesfehervar | 2023/03/15 09:00 | Matyas Fuele v Oleg Prihodko | 2-6,1-6 |
| Challenger Szekesfehervar | 2023/03/13 10:40 | Oleg Prihodko v Kenny de Schepper | 6-4,6-3 |
| Challenger Szekesfehervar | 2023/03/12 14:00 | Evgeny Karlovskiy v Oleg Prihodko | 6-7,1-6 |
| UTR Pro Zadar | 2023/04/01 09:30 | Dusan Obradovic v Maik Steiner | 6-2,6-4 |
| UTR Pro Zadar | 2023/03/30 07:30 | Duje Kekez v Dusan Obradovic | 3-6,1-6 |
| UTR Pro Zadar | 2023/03/27 08:59 | Benedikt Henning v Dusan Obradovic | 7-5,6-4 |
| ITF M15 Opatija | 2023/03/23 11:35 | Dusan Obradovic v Daniele Capecchi | 6-3,6-7,2-6 |
| ITF M15 Opatija | 2023/03/22 14:15 | Marko Andrejic v Dusan Obradovic | 4-6,2-6 |
| ITF M25 Opatija | 2023/03/21 09:30 | Dusan Obradovic v Federico Marchetti | 6-1,6-2 |
| ITF M25 Opatija | 2023/03/20 14:30 | Dusan Obradovic v Lorenzo Vatteroni | 5-7,6-2,10-6 |
| ITF M15 Rovinj | 2023/03/15 12:55 | Riccardo Balzerani v Dusan Obradovic | 6-3,7-5 |