Valentova broke for 1-0 and again for 3-0, then clinched 6-2 with a break for 5-2, though Zhang saved one break point in a deuce hold for 1-4.
Zhang broke for 2-0 and again for 4-0 in a 5 minute deuce game, then held for 6-1 as Valentova managed only a hold for 1-5.
Valentova broke for 3-1 and again for 4-2, then sealed 6-4 with a break for 6-4, though Zhang saved one break point in each decisive game.