Marozsán broke for 2-1 and Duckworth levelled for 3-3, then Marozsán saved two break points in a hold for 6-6 before winning the tiebreak.
Duckworth broke for 1-0, 2-1 and 5-2, clinical in sealing it 6-2 despite Marozsán's sole break for 1-1.
Duckworth broke for 1-0 and again for 5-4 after Marozsán broke for 1-1, then held for 6-4 to take the set.