It is a statistical certainty that Jeline Vandromme will one day lose another competitive tennis match.

Nobody wins every match, right? But from the vantage point of September 2025, it’s hard to see exactly when that will happen.

For the past six weeks, a Vandromme victory has been as certain as the sun rising, water being wet, and New Yorkers complaining about traffic.

For the 23rd time in a row, since a loss at Wimbledon on 5 July, Vandromme took to the court, this time in the US Open girls' singles final, and walked away smiling.

Using a combination of powerful groundstrokes, pinpoint serves and unflappable calmness, the 17-year-old Belgian grabbed her first Grand Slam singles title, ending the dream run of Swedish qualifier Lea Nilsson. Vandromme prevailed 7-6(2) 6-2.

With her parents, Corinne and Bart, watching from the stands, as well as Belgian tennis legend Kim Clijsters, Vandromme eked out the first set and then rolled through the second, winning the match when a backhand return from Nilsson flew wide.

“The timing was supposed to be. It's going to be my last junior tournament, and to be able to win this one makes me incredibly proud,” Vandromme said. "Also, it was 22 years since the last Belgian [Kirsten Flipkens in 2003] won the girls' title here. It's also a huge honour for my country. That makes me proud as well.”

Vandromme is not reliant upon one specific stroke; she just does every stroke well. Training with coach Phillippe Gelade since the spring, Vandromme methodically wears her opponents down and then finishes them off with a winner.

Nilsson was bidding to not only be the first Swedish player to win the US Open girls' title and also the first qualifier to triumph here.

The last qualifier to make the final was Alexandra Yepifinova in 2019. For a while it looked as though Nilsson might indeed make history. She jumped into a 2-0 lead in the opening set and then had a 4-2 edge as she started steadier than Vandromme.

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But the Belgian battled back and forced the set into a tiebreak. There, Vandromme served big and had a service winner on set point to grasp the advantage.

Vandromme rolled through the second set, winning the match when a backhand return from Nilsson flew wide.

“I did a few mistakes but it was a good fight,” Nilsson said. “There were some points I could have played better. I just tried to play my best, show my best. I just tried to fight. I’m pretty proud, to qualify and get all the way to the finals.”

And so a kid who started on a tennis court as a ball kid at Kim Clijsters’ academy in Belgium now brings home a trophy from the same Grand Slam Clijsters won on three occasions - in 2005, 2009 and 2010.

Asked what she was thinking on match point, Vandromme said: “What was going through my mind, I was serving, I think. Hit serve in, try to be aggressive like you did the whole match. Those things. I tried to not think about results.”

Corine Blondeel, Jeline’s Mom, said she got choked up watching her child achieve a dream. Not so much from the one match, but the accumulation of this week.

“I was more emotional because it wasn’t just this moment, but every match built on the previous one,” Blondeel said. “I was confident about her and I’m just so, so proud of her.”

Vendromme is the first Belgian girl to win since Kirsten Flipkens in 2003, and she said at the press conference she already had heard from Flipkens by text and phone call throughout the week.

In the doubles final, the sister duo of Alena and Jana Kovackova of Czechia captured their first Slam title, beating Vendromme and Lithuania’s Laima Vladson, 6-2, 6-2 in a match played just an hour after the singles final’s completion.

“Just so amazing and exciting, it’s incredible,” Alena Kovackova said. “We love playing together, and it was such a great week and tournament for us.”

A full list of results from the 2025 US Open Junior Championships is available here