On January 15, Beijing time, the 2025 Australian Open ended the fourth day of the main event, and the second round of singles began. Zheng Qinwen was the only player in the Chinese team today, and she lost 6-7(3)/3-6 to Germany's Sigmund and missed out on the round of 32.

Two-time champion Naomi Osaka defeated No. 20 seed Mukhova 1-6, 6-1, 6-3 to complete the "sweet revenge" for last year's US Open defeat and return to the Australian Open round of 32 after three years. Two-time defending champion and top seed Sabalenka beat Bosas 6-3, 7-5 to make it 16 straight Australian Open women's singles wins. No.3 seed Gauff beat Burrech 6-3, 7-5; No.7 seed Pegula beat Mertens 6-4, 6-2; No.14 seed Mira Andreeva narrowly defeated Moe Uchijima 6-4, 3-6, 7-6(8); 23rd seed Frech defeated Blinkova 0-6, 6-0, 6-2; No.30 seed Fernandes defeated Buksa 3-6, 6-4, 6-4; Towson swept past T. Maria 6-2, 6-2 to advance to the next round.

Seven-time Australian Open champion Novak Djokovic was challenged in the second round to beat qualifier Faria 6-1, 6-7(4), 6-3, 6-2 to reach the round of 32 for the seventh consecutive year. No.3 seed Alcaraz swept past Yoshihito Nishioka 6-0, 6-1, 6-4 to easily advance to the round of 32. No.6 seed Ruud suffered a shock defeat to Czech rookie Menchik in the second round and became the most seeded in the men's singles. No.29 seed Aliassime lost in a five-set battle with Davidovic Fokina. No.27 seed and homegrown player Thompson is also out. No. 14 seed Amber, No. 15 seed Draper, No. 24 seed Lehecka and No. 26 seed Mahachi made the cut.

Due to the rain, some doubles matches were postponed by one day.

2024 Australian Open Day 4 Results:

The 2025 Australian Open is wonderful, witnessed with the Australian Open partner Luzhou Laojiao and Guojiao 1573!

(Text, Editor, Results/Faye Wong)