Pakistan, Aug. 6 -- Elena Rybakina, the 2022 Wimbledon champion, and Canadian teen Victoria Mboko advanced to a WTA Canadian Open semi-final matchup with triumphs on Monday in the Montreal hard court event.

World number 12 Rybakina of Kazakhstan led 6-1, 2-1 when Ukraine's Marta Kostyuk retired in the second set with a wrist injury.

Mboko, the shocker of the event, dispatched Spain's Jessica Bouzas Maneiro 6-4, 6-2 by taking the final six games to reach her first WTA 1000 semi-final in pursuit of her first trip to a WTA final.

"I'm so excited to be in the semi-final here," Mboko told the supportive home nation crowd. "I want to thank everyone for your support once again. It has been unreal."

Rybakina won their only prior meeting 6-3, ...