Anna Kalinskaya defeated former world number one Victoria Azarenka 6-1, 6-7 (3-7), 6-1 on Saturday to reach the Berlin grass court tournament final, but her opponent is not yet known as weather affected the event again. The other semi-final between top seeded US Open champion Coco Gauff and fellow American Jessica Pegula was suspended for the night due to rain, with Pegula leading 7-5, 6-6 (3-1). The scoreline means that Pegula is four points away from the final to be played later Sunday. Australian Open quarter-finalist Kalinskaya meanwhile beat Azarenka in 2 hours 10 minutes to reach her sec…