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It was a relatively slow tennis week on the ATP and WTA Tours, with zero Top 10 players in action, but there was still riveting tennis to be had, thanks to a 14-year-old Canadian who turned the tennis world upside down for a few dazzling days.

Also See: 14-Year-Old Auger Aliassime Becomes Youngest Winner of Challenger Main Draw Match

In case you haven’t heard, we’ll catch you up quickly: Felix Auger-Aliassime, a 6’1” Canadian from Montreal, had become the first player born in the 2000s to obtain an ATP ranking in March when he qualified for the Drummondville Challenger.

Four months later (and reportedly three inches taller), he was at it again in Granby, Quebec. Auger-Aliassime won two qualifying matches, then two more in the main draw to reach the quarterfinals (and improve his professional record to 7-0) before he was finally knocked off by Japan’s Yoshihito Nishioka in three sets.

He did it all with an alarmingly mature brand of tennis that was basically blowing people’s minds over the last few days. Powerful, lithe, accurate, and remarkably consistent for his age, Auger-Aliassime has a game so polished that it’s extremely difficult to believe he’s still 14.

“He’s a phenom, obviously. But he’s 14. A lot can happen, so let’s wait and see,” Eugène Lapierre, Tennis Canada’s senior vice-president, told the Toronto Globe and Mail. “I can’t wait to see him in two or three years, but we’ve got some recent examples of what pressure can do to a young player.”

You can read that Globe and Mail Piece in its Entirety Here

Lapierre wasn’t the only one raving. Not by any means. “I keep using the word incredible to describe it. I wish there was a better one, but there really isn’t. It really is kind of hard to believe,” Canadian Davis Cup captain Martin Laurendeau said.

Here’s a sampling of the praise the youngster garnered on Twitter over the last four days. Stay tuned over the summer, as there is likely more to come for this rising star.

Inspiring to see what Félix Auger-Aliassime is doing at only 14 years old. He is going to be fun to follow.

— Milos Raonic (@milosraonic) July 24, 2015

If Felix Auger Aliassime wasn't already a legend, he shares his birthday with ROGER FEDERER.

— José Morgado (@josemorgado) July 22, 2015

felix auger aliassime! all tennis fans need to watch out for this guy. 14 years old getting in the mix at challenger level. Very impressive

— Andrew Fitzpatrick (@Fitzmister) July 22, 2015

Felix Auger Aliassime suffers his first Challenger defeat, falling to Yoshi Nishioka 46 62 61 in Granby. Standing ovation for the 14 y.o.

— Josh Meiseles (@jmeistennis) July 25, 2015

Formal "proud of you, son" handshake from dad. All together now: Awwwwww.... :-) (Steven Speilberg in the background) pic.twitter.com/ak8h0gK3qj

— Stephanie Myles (@OpenCourt) July 24, 2015

Auger-Aliassime just keeps rising: more points because he qualified. Should go inside top 800 at about No. 750. Nishioka tomorrow is No. 145

— Tom Tebbutt (@tomtebbutt) July 24, 2015

You could make the argument that Felix Auger Aliassime is more polished than fellow phenom Frances Tiafoe. That BH is just awesome.

— Juan José Vallejo (@jjvallejoa) July 24, 2015

Just wow. Auger Aliassime beats world no. 205 Darian King 7-5, 6-3. Next stop Granby Challenger QFs. #CdnTennis pic.twitter.com/swD5h4lr80

— Tennis Canada (@TennisCanada) July 24, 2015

Impressive fight back from 2 breaks down from FAA amazing his skill set for 14 and court awareness

— Brad Gilbert (@bgtennisnation) July 24, 2015

Amazed how good the the young fella serv and fearhand are at 14 by 19 will be scary big

— Brad Gilbert (@bgtennisnation) July 24, 2015

Still blown away by the talent of Felix and the maturity in his game for 14, only fitting he has the same birthday as Fedfan August 8th

— Brad Gilbert (@bgtennisnation) July 24, 2015