American juniors win four titles at the 2025 Australian Open

“I’m really happy to be the first ever junior wheelchair champion here at the Australian Open,” Cooper said, according to ausopen.com.

“Getting those three wins under my belt in the round robin really helped with my confidence going into this one.”

He rode that momentum into the doubles championship, partnering with Luiz Calixto of Brazil to beat Lantermann and Aussie Benjamin Wenzel, 6-3, 6-0.

Americans won two more junior doubles titles, with 15-year-old twins Kristina and Annika Penickova winning the girls’ draw, while Max Exsted lifted the boys’ doubles trophy for the second year in a row, this time with Czech Jan Kumstat.

Exsted and Kumstat, the No. 2 seeds, defeated the unseeded team of Ognjen Milic and Egor Pleshivtsev, 7-6(6), 6-3.

In boys’ singles, Benjamin Willwerth was something of a dark horse entering the tournament, having only made one junior Grand Slam appearance at the 2023 US Open, where he lost in the first round. However, the unseeded American made a splash Down Under, besting three seeded players en route to the final, including compatriot and No. 5 seed Jagger Leach, the son of three-time major champion Lindsay Davenport.

Willwerth lost the final to No. 8 seed, Henry Bernet of Switzerland, 6-3, 6-4, but the American went into the match knowing that even reaching that point was a win.

“It is my biggest match,” he told itftennis.com after his semifinal win. “I am going to focus on enjoying it—I am not going to have any expectations. I’m just going to play and if I win, I win. If I lose, I lose.”