Canadian teenager Victoria Mboko conquered four-time Grand Slam champion Naomi Osaka 2-6, 6-4, 6-1 on Thursday, capping a fairytale run at the WTA Canadian Open with her first WTA title.Osaka looked bewildered as Mboko ramped up the pressure,

Osaka has made some progress since returning in last year's Australian Open. She won two matches in both the Australian Open and Wimbledon this year, has earned $725,727 in prize money so far and reached the No. 49 spot in the WTA rankings, with a higher ranking likely on the way by making the final.

Canadian teenager Victoria Mboko staged a stunning comeback on Thursday to defeat four-time Grand Slam champion Naomi Osaka 2-6 6-4 6-1 claiming her maiden WTA 1000 title at the Canadian Open.