| ITF M15 Sibenik | 2021/04/19 08:00 | Grgo Dujmovic v Mayeul Darras | 4-6,6-7 |
| ITF M15 Sibenik | 2021/04/18 08:00 | Grgo Dujmovic v Bjorn Nareyka | 7-6,6-0 |
| ITF M15 Rovinj | 2021/03/15 08:00 | Grgo Dujmovic v Gian Marco Ortenzi | 3-6,5-7 |
| ITF M15 Porec | 2021/03/07 12:00 | Matteo Donati v Grgo Dujmovic | 6-4,6-1 |
| Adriatic Tennis Series | 2020/06/15 15:03 | Grgo Dujmovic v Matija Pecotic | 1-6,1-5 |
| ITF M15 Antalya Qual | 2019/12/08 07:00 | Oleksandr Bielinskyi v Grgo Dujmovic | 6-2,6-2 |
| ITF Croatia F3 | 2017/03/18 10:30 | Grgo Dujmovic v Lorenzo Di Maro | 6-7,0-6 |
| ITF Italy F32 | 2016/05/14 08:00 | Ludvig Aaes v Grgo Dujmovic | 5-7,1-6 |