Melbourne, Australia – Jannik Sinner advanced to the quarter-finals of the Australian Open on Monday, delivering a strong performance as the tournament braces for extreme heat. Several other key players also secured their spots in the last eight, while defending champion Madison Keys was upset in her fourth-round match. The tournament is set to face its biggest challenge yet with temperatures forecast to reach a scorching 45°C (113°F) on Tuesday.
The day’s play saw both expected victories and surprising upsets, setting the stage for compelling matches in the quarter-finals. Fifth seed Lorenzo Musetti also progressed, setting up a potential clash with Novak Djokovic. Meanwhile, the extreme heat conditions are prompting organizers to implement player safety measures.
Sinner Dominates, Eyes Potential Djokovic Showdown at the Australian Open
Sinner, the second seed, demonstrated his championship form with a commanding 6-1, 6-3, 7-6 (7/2) win over fellow Italian Luciano Darderi. The victory sends a clear signal of his intent to contend for the title. He showcased a powerful serve, landing 19 aces throughout the match, and a generally dominant performance.
The 22-year-old Sinner expressed satisfaction with his performance, noting the difficulty of closing out the match despite the comfortable scoreline. He also highlighted his ongoing improvements as he navigates the new season. A potential semi-final encounter with Novak Djokovic looms, adding further excitement to Sinner’s campaign.
Upsets and Close Matches Mark the Day
In a surprising turn of events, Jessica Pegula defeated defending champion Madison Keys 6-3, 6-4. The two Americans, known for their collaborative tennis podcast “The Player’s Box,” put their friendship aside for a competitive match. Pegula’s clinical performance and Keys’ unforced errors proved decisive.
Another notable result saw Ben Shelton overcome Casper Ruud in four sets, 6-4, 6-3, 6-4, 6-4. Shelton’s aggressive play style and powerful serve proved too much for the Norwegian. Elena Rybakina also advanced, defeating Elise Mertens in straight sets, 6-1, 6-3.
Iga Swiatek continued her strong run, defeating Australian qualifier Maddison Inglis 6-0, 6-3. Inglis, who earned a life-changing Aus$480,000 (US$330,000) simply by reaching the fourth round, plans to use the winnings for practical purchases like a toaster and kettle. Swiatek is now one step closer to completing her Grand Slam collection with a victory at the Australian Open.
Heatwave Threatens Play at Melbourne Park
Tournament officials are closely monitoring the escalating heatwave conditions. Monday’s matches were already played under warm temperatures, and Tuesday’s forecast of 45°C (113°F) is raising serious concerns. The extreme heat protocol, which includes 10-minute breaks during longer matches, will be in effect.
Matches are likely to be shifted to the three courts with retractable roofs at Melbourne Park to protect players from the intense sun and heat. Player health and safety remain the top priority for tournament organizers. The impact of the heat on player performance and endurance will be a key factor in the coming days.
Novak Djokovic received a bye into the quarter-finals after his scheduled opponent, Jakub Mensik, withdrew due to injury. Djokovic will face Lorenzo Musetti, who is eager to challenge the ten-time Australian Open champion.
Looking ahead, the quarter-final matches will be crucial in determining the contenders for the title. The extreme heat forecast for Tuesday presents a significant challenge, and the ability of players to adapt and maintain their performance levels will be tested. The tournament will continue to monitor the weather conditions and adjust the schedule as needed to ensure the safety of all participants. The focus will be on how players manage the heat and whether any further upsets occur as the competition intensifies.

