The women's single event at the 2018 World Singles Ninepin Bowling Classic Championships was held in Cluj-Napoca, Romania.

[1] 32 players qualified for the knock-out phase.

[2][3] According to the results of the qualification, 32 players were put together in bouts, which took place on standard match rules - 4 sets of 30 throws.

The competitor who obtains a larger number of sets wins.

With an equal number of sets decides a higher total score.