The 2025 Australian Open tennis tournament has entered the second half, and as of the 21st local time, many seeds have been eliminated in advance, but the men's singles, women's singles, men's doubles, women's doubles, and mixed doubles of the "fifth seed" of the tournament have all been eliminated and failed to cross the threshold of the top 16, forming a rather rare situation.

Women's Doubles fifth seeds: Chinese Taipei's Zhan Haoqing/Ukrainian Chichenok

Russia's fifth-seeded Dmitry Medvedev lost to 19-year-old American rising star Tanner in the Men's Singles round of 64 64 6:3, 7:6 (7:4), 6:7 (8:10), 1:6, 7:6 (10:7). China's fifth-seeded Zheng Qinwen lost to Germany's Sigmund, ranked 97th in the women's singles, 6-7 (3-7), 3-6 in the women's singles round.

Men's Doubles fifth seeds Venus of New Zealand/Mektic of Croatia suffered a shock defeat in the first round to Portugal's Boggs/Cablo 6-7 (3-7), 3-6.

As for the women's doubles, the fifth seeds of Chinese Taipei Zhan Haoqing/Ukrainian Chichenok missed a 4-0 start, 6-7 (3-7), 2-6 by China's 9th seeds Zhang Shuai/France's Meradenovicki and stopped in the round of 16. Mixed Doubles fifth seeds Kolafukiko of the United States and Skupski of Great Britain were also eliminated in the first round.