The second day of the 2025 Australian Open main draw has concluded, and it was a day filled with upsets at Melbourne Park, with as many as six seeded players exiting the tournament. Additionally, two Grand Slam champions were unable to progress beyond the first round! In the men's singles, the 10th seed Dimitrov and the 11th seed Tsitsipas both relinquished their spots in the draw; in the women's singles, two former Grand Slam champions, the 16th seed Ostapenko and the 21st seed Azarenka, also experienced "first-round exits." Also eliminated was Kenin, the former champion, who was defeated by Gauff with two 6-3 scores. Australian Open Eliminated Seeds: Men's Singles: [10] Dimitrov, [11] Tsitsipas, [23] Tabilo Women's Singles: [16] Ostapenko, [21] Azarenka, [29] Noskova Among the four eliminated seeds, Dimitrov is the most unfortunate. The 34-year-old Bulgarian veteran announced his withdrawal due to injury when trailing 5-7, 1-2. His opponent, Passano, can be considered the luckiest loser, as he stepped up after Fognini's withdrawal and received the gift of his opponent's withdrawal in the first round, truly standing there to collect a prize of 900,000 yuan! The 11th seed Tsitsipas lost 5-7, 3-6, 6-2, 4-6 to the American prodigy Mikelson born in 2004, stopping in the first round of the Australian Open for the first time in seven years. In the past three Grand Slams, the Greek player has only achieved one victory. In fact, this result is both an upset and not so surprising! As a participant in the ATP Next Gen Finals, Mikelson is the pioneer who holds…