In the semifinals, she will play Ekaterina Alexandrova, who ousted third-seeded Jessica Pegula 6-0, 6-4. No. 1-ranked Aryna Sabalenka finally played her first match in Stuttgart and beat former doubles partner Elise Mertens 6-4, 6-1. Sabalenka got a bye through the first round and a walkover in the second.