Four-time Grand Slam champion Naomi Osaka defeated Czech tennis player Karolina Muchova 1-6, 6-1, 6-3 in the second round of the 2025 Australian Open. "Muchova crushed me in the 2024 US Open when I had my best outfit ever. I was so disappointed," Osaka said after the win. The 27-year-old added that Muchova is an "incredibly difficult opponent" for her.