It was a rough day for Naomi Osaka, and landmark one for the Canadian teenager Victoria Mboko. Mboko, 18, came back to stun the four-time Grand Slam champion 2-, 6-4, 6-1 in the final of the Canadian Open on Thursday, earning her the first WTA title of her career in front of a home crowd.

Mboko came from a set down to oust the 2022 Wimbledon champion in a three-setter that ebbed and flowed to the end.

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.Mboko, the shocker of the event,