Day 9 of the 2025 Australian Open wasn’t memorable. Followers solely skilled bodily woes within the warmth, retirements, and usually low-quality play, finishing the fourth spherical with none of the eight matches involving a five-setter.
The perfect match of the day was between Jannik Sinner and Holger Rune, but even that match had only some moments of actual high quality. Sinner overcame sickness and progressed in 4 units – 6-3 3-6 6-3 6-2.
Ben Shelton took out Gael Monfils after the 38-year-old was pressured to retire initially of the fourth set, whereas Learner Tien additionally struggled within the warmth as he misplaced to Lorenzo Sonego.
Within the night time match on RLA, dwelling hope Alex de Minaur moved into the final eight, profitable the primary eight video games in opposition to Alex Michelsen, who struggled to settle into the match en path to a 6-0 7-6(5) 6-3 victory.
Day 9 2025 Australian Open Spherical of 16 Outcomes

Winner
Loser
Scoreline
Jannik Sinner (1)
Holger Rune (13)
6-3 3-6 6-3 6-2
Alex de Minaur (8)
Alex Michelsen
6-0 7-6(5) 6-3
Ben Shelton (21)
Gael Monfils
7-6(3) 6-7(3) 7-6(2) 1-0 RET
Lorenzo Sonego
Learner Tien (Q)
6-3 6-2 3-6 6-1
Sinner Survives Rune

Whereas the rating seems to be simple, Jannik Sinner needed to cope with some unusual bodily struggles to achieve the Australian Open quarter-finals on Monday, defeating Holger Rune 6-3, 3-6, 6-3, 6-2.
The defending champion stated he needed to seek the advice of a match physician earlier than the match, skipped apply, and opted to play on the final minute.
After I noticed him limping, I assumed it was his hip, however he later clarified that it was purely sickness: “Typically I stroll a little bit in a different way once I’m not feeling nice, however I’m not injured,” he defined.
Rune, who had a troublesome five-setter in his earlier spherical, confirmed flashes of brilliance however in the end faltered when his personal motion dropped off a cliff for an excellent chunk of the match.
Sinner, then again, gave the impression to be getting ready to collapse at varied factors through the match, solely to rally and discover his footing within the last units.
The match was considerably disjointed, so it wasn’t nice viewing. Sinner took an 11-minute medical timeout (MTO) earlier than Rune’s serve within the third set, which some noticed as a ploy to disrupt his opponent’s momentum, because the Dane was enjoying nicely.
Rune then took a medical timeout earlier than Sinner served for the third set, seemingly to get again at his opponent. After that, Sinner by chance broke the web, inflicting a 20-minute delay 😁
Regardless of the drama, the tennis was top quality in components, with each gamers displaying spectacular expertise (examine the 37-shot rally within the highlights).
We primarily noticed there’s a gulf at school between the 2. Rune has an uncanny skill to come back again from adversity, however he also can go walkabout and tends to lose focus and make foolish errors.
Sinner doesn’t – he’s rock regular and dominated with 83% first-serve factors gained in comparison with Rune’s 66%.
I feel we noticed that immediately I used to be struggling bodily. Got here right here as late as potential. I knew that it was going to be very, very troublesome immediately. You realize, enjoying in opposition to a troublesome opponent, but in addition enjoying in opposition to myself a little bit bit. After I’m not feeling nicely on court docket, generally I are likely to stroll a little bit bit on the left. However, no, injury-wise, I’ve nothing. Simply health-wise a little bit bit struggling, however I’m good with accidents. In fact, the time of the court docket with me and the physician, we talked a little bit bit. It helped me immediately, and it additionally exhibits that this match has nice organisation. Sinner on his bodily woes.
De Minaur Downs Michelsen

Alex de Minaur is into his fourth Grand Slam quarter-final in a row, and his first in Australia because of a 6-0, 7-6(5), 6-3 win over Alex Michelsen.
I didn’t fancy Michelsen’s model to pose too many issues for the Aussie and he dominated the beginning, profitable the primary eight video games of the match to essentially set the tone.
Michelsen regarded shaky however settled in direction of the top of the second set, breaking again when De Minaur was serving for a two-set lead.
It might have gone the American’s means in a good tie-break, however De Minaur took full benefit when Michelsen errored down set level. He then sealed the third set with seven unforced errors to cruise by way of.
De Minaur should overcome Sinner if he’s to be the primary Australian to make the semi-finals in Melbourne since Lleyton Hewitt in 2005. Sinner leads their Head2Head 9-0, having not misplaced a set in any earlier conferences.
Different Matches of Notice

Ben Shelton is thru to his second Australian Open quarter-final after Gael Monfils was pressured to retire.
Shelton led 7-6(3), 6-7(3), 7-6(2), 1-0 after 2 hours, 56 minutes when Monfils, on an eight-match win streak, struggled with bodily points.
For all of the plaudits round Monfils, he has 28 profession mid-match retirements, which is a loopy excessive quantity.
Monfils used a recreation plan just like the one he employed vs. Fritz by mixing up his pictures. Nevertheless, Shelton is extra comfy within the forecourt and may reply extra aggressively when hanging the ball
Shelton will now look to surpass his 2023 quarter-final run when he faces Lorenzo Sonego, who defeated Learner Tien 6-3, 6-2, 3-6, 6-1 to achieve his first Grand Slam quarter-final.
Tien additionally struggled bodily in opposition to the damaging Sonego, who needs to be a good check for Shelton.
Nevertheless, regardless of his win over Tien, the Italian has a 5-6 dropping file in opposition to the lefties, so I decide Shelton in 4.
Australian Open Day 10 Quarter Remaining Matches

Noval Djokovic (7) vs Carlos Alcaraz (3)
Tommy Paul (12) vs Alexander Zverev (2)