mboko (2)

Canada’s Victoria Mboko has earned a spot in yet another semifinal. 

The 19-year-old tennis phenom from Toronto outlasted American Madison Keys for a 6-4, 4-6, 6-2 quarterfinals win at the Adelaide International tennis tournament on Thursday. 

Mboko, the tournament’s eighth seed, broke Keys early, en route to winning the first set, but couldn’t compete with the reigning Australian Open champion’s big serve in the second.

Keys, seeded second at the WTA 500 event, fired eight aces across the one-hour 53-minute match...