

What Time Will Jannik Sinner Play Against Marcos Giron?
Sinner and Giron are on the Day 7 Schedule at Australian Open 2025 on Saturday 18 January. Lets breakdown the career, past stats and recent form of these players and predict who will get the victory.
Who Will Win In This Head-To-Head?
No. 1 Jannik Sinner (ITA) will be facing Marcos Giron (USA) in their second meeting, but their first at a Grand Slam. Sinner won their previous match in straight sets. This match is one of two men’s singles matches between Italian and American players today, with the other match being Lorenzo Musetti against Ben Shelton.
At the Australian Open in the Open Era, Italian and American players have faced each other 49 times, with Americans leading 29-20. In Grand Slam matches, Italian and American players have faced each other 285 times, with Americans leading 165-120.
Sinner has won all 13 of his previous Grand Slam matches against American players, including his only previous match against an American player at the Australian Open. He has a 36-6 win-loss record against American players at Tour-level and is currently on a 16-match winning streak against American players, last losing to Shelton in 2023 Shanghai-1000.
For Giron, this is his first time facing an Italian player at a Grand Slam. He has a 3-5 win-loss record against Italian players at Tour-level overall.
Sinner, the defending Australian Open champion, is bidding to reach the round of 16 for the fourth time. This is his 6th Australian Open appearance and his 21st Grand Slam overall. He is also aiming to become the third Italian man to reach the round of 16 at the Australian Open on four occasions.
If Sinner, Musetti, and Lorenzo Sonego all reach the round of 16, it will be the second time in the Open Era that three Italian men have achieved this at a Grand Slam, following the 2021 Roland Garros.
Sinner has won 13 out of his last 14 matches in straight sets and has won two five-set matches at the Australian Open, both coming from a 0-2 set deficit.
Giron, on the other hand, is aiming to reach the round of 16 at a Grand Slam for the first time. This is his 6th Australian Open appearance and his 23rd Grand Slam overall. He previously reached the 3rd round at Roland Garros in 2021 and 2023.
Giron has lost all nine of his previous matches against Top 5 players in straight sets and has a 4-1 record in five-set matches at the Tour-level.
Overall, Sinner holds the higher ATP ranking (No. 1 compared to Giron’s No. 46), has more titles (19 compared to Giron’s 1), and a better career Grand Slam record (63-18 compared to Giron’s 13-22). However, Giron has a better record at the Australian Open (17-4 compared to Sinner’s 2-5).
Both players have had successful careers so far, with Sinner winning multiple Grand Slam titles and holding the world No. 1 ranking, while Giron has reached a career-high ranking of No. 37 and won his first Tour-level title.
My Conclusion / Prediction:
My pick is that Sinner will win.
Matchstat.com has an Artificial Intelligence (Ai) prediction model that is trained on all professional ATP and WTA past matches.
To find out who our model thinks will win for Jannik Sinner vs Marcos Giron, have a look at the prediction here:
Matchstat.com Jannik Sinner vs Marcos Giron prediction.