Andreeva broke for 1-0 and held for 2-0, then Kostyuk mounted resistance with a deuce hold for 3-4 saving one break point before Andreeva sealed it 6-4.
Kostyuk broke for 2-0 and again for 4-0 and once more for 6-0, a clinical demolition in 24 minutes with a deuce hold for 1-0.
Kostyuk broke for 3-1 and again for 6-2, holding for 4-1 saving one break point in a deuce game, while Andreeva's sole hold came for 2-4.