Stadium: Court 10 Round: 25 Ground: Clay
| ITF M15 Opatija | 2023/03/22 08:25 | Denis Petak v Matteo Donati | 3-6,3-6 |
| ITF M25 Heraklion | 2023/11/12 12:00 | Jannik Maute v Filip Krolo | 6-1,7-5 |
| UTR Pro Zadar | 2023/10/22 12:35 | Janos Fekete v Filip Krolo | 6-1,6-3 |
| UTR Pro Zadar | 2023/10/19 08:38 | Filip Krolo v Cian Maguire | 6-2,4-6,4-6 |
| UTR Pro Zadar | 2023/10/18 07:30 | Filip Krolo v Domagoj Biljesko | 6-2,3-6,2-6 |
| UTR Pro Zadar | 2023/10/17 06:00 | Filip Krolo v Patrik Meszaros | 7-6,2-6,5-3 |
| UTR Pro Zadar | 2023/10/16 07:30 | Filip Krolo v Robert Rumler | 6-2,6-4 |
| ITF M15 Buschhausen | 2023/09/10 08:00 | Filip Krolo v Arthur Bonnaud | 6-7,6-7 |
| ITF M25 Skopje | 2023/06/05 08:00 | Filip Krolo v Veljko Krstic | 5-7,4-6 |