Sabalenka exits Toronto – experts point to serve problems

Aryna Sabalenka was surprisingly knocked out in the round of 16 at the WTA 1000 tournament in Toronto, losing to Yekaterina Alexandrova. The defeat also rules out a potential semifinal clash with Iga Świątek. Experts quickly pointed to problems with Sabalenka's serve as the main reason for her early exit.