BERLIN, Germany — Let’s start with two things that didn’t happen on Saturday in Berlin. The first thing that didn’t happen: WTA No. 1 Aryna Sabalenka winning a game in the third set. For the second tournament in a row, top-ranked Sabalenka exited with a bagel to-go, blanked in the third set of her WTA 500 Berlin semifinal against Jessica Pegula, 6-4, 6-7(4), 6-0. Aryna Sabalenka, doubled over on Saturday before a second bagel arrived.