Date: Tuesday, Jan. 27
Time: 8am IST
How to Watch (TV): Sony Sports Network
Date: Tuesday, Jan. 27
Time: 8am IST
How to Watch (TV): Sony Sports Network
The German managed to drop a set in each of his first three matches in this tournament, but he then dominated Francisco Cerundolo in the fourth round, winning 6-2, 6-4, 6-4.
Speaking about his H2H battle with the American, Zverev did lose to Tien in their lone matchup on a hard court, losing in straight sets in 2025. However, the German did knock the American out of the French Open, winning 6-3, 6-3, 6-4.
Tien's major breakthrough was taking down no. 11 seed Daniil Medvedev in straight sets in the fourth round.
With temperatures hitting the roof, the authorities at Australian Open have introduced cooling breaks for players in-between their matches.
For women’s singles, the break is allowed between the second and third sets
For men’s matches, the cooling break will be introduced between the third and fourth sets.
The temperatures have risen in Melbourne and the authorities have said 'enough is enough', as play and practice is suspended on outside courts and the roof will close on Rod Laver and Margaret Court arenas.
German begins the match against his American opponent on the Rod Laver Arena. Zverev leads 2-1 in the first set with both players holding on their serve.
Australian Open organisers have just closed the roof of Rod Laver Arena with the temperatures rising in Melbourne. This could be welcome news to the spectators inside the arena as well as the players on the court.
Zverev showing his class here as he takes a 4-2 lead in the first set against the American opponent. Tien, who has faced Zverev in the past, will know a thing or two about his opponent today.
It's 41 degrees outside and both players (and fans) must thank the authorities that roof is shut. Both the players are sweating profusely, with Zverev taking time between serves to wipe his hands with a towel.
The umpire then gives the German a time violation for taking too long in between his serve. It doesn’t seem to bother the German, who produces a 205km/h serve to increase his lead. Zverev leads 5-2.
A sharp crosscourt winner at the net put Zverev in the driver's seat, yet Tien answered immediately. Despite Zverev’s late-game effort to narrow the gap to 40-30, Tien remained unfazed, clinching the hold with a dominant overhead smash.

It is getting intense between Zverev and Tien as the latter gains momentary advantage to go 3-4 ahead in this 2nd set.
We will see a tie-break in the second set between these two players. Both players are equal on five games in the second set.
American Learner Tien rallies to push in the second set into a tie-breaker, and levels the scores against German Alexander Zverev on Rod Laver Arena. He lands the second set 7-6 (7-5).
American Learner Tien has found it tough in the sweltering heat of Melbourne as Zverev races to a 3-1 lead in the third set.
German No.3 seed Alexander Zverev runs into another gear and as he lands the third set 6-1 against American Learner Tien. He now has a two-sets-to-one lead 6-3, 6-7 (5-7), 6-1 and will take some stopping from here.
Tien is putting up a fight in the fourth set but needs to be careful of the German's fast serves. No. 3 seed is on top here and needs one break of serve to get back in the match.
Tien is holding on to his serve and is now a game away from sealing the fourth set and taking this game to the fifth set. What a finale we have on our hands here!
Zverev and Tien cannot be separated as the fourth set enters another tie-break between these two.
And we have a winner! World No.3 Alexander Zverev books his place in the semi-finals, defeating American Learner Tien in a nail-biting four-set battle on Rod Laver Arena. The German topples his American opponent 6-3, 6-7 (5-7), 6-1, 7-6 (7-3).