Mashtakov beat Gonzalez Fernandez 7-5, 6-1 in Szczecin, closing out a scrappy opening set and then running away with the match. He made four breaks to his opponent's two and saved six of the eight break points he faced.
The first set was a trade of breaks: Mashtakov moved ahead at 2-0, Gonzalez Fernandez struck back for 2-1, and the pattern repeated at 4-2 and 4-3 before Mashtakov broke again in game 12 to take it 7-5. From there he broke for 2-0 in the second and again at 5-1, winning five games in a row at his best stretch.
The second serve told the story: Mashtakov won 15 of 25 points behind his (60%), while Gonzalez Fernandez managed just 3 of 12 (25%). Mashtakov also hit all four aces of the match and won 39 service points to 28, despite landing a lower first-serve percentage (62% to 77%).