US rising star Learner Tien out of Australian Open as Alexander Zverev keeps his cool in Melbourne heat - Alexander Zverev kept his cool to battle past USA’s Learner Tien on a sweltering day at the Au

As you probably know, Zverev has been working with his father Alexander Sr. since his early days. After Mischa retired from pro tennis, the former world No. 25 also joined the 28-year-old's team full-time.

Learner Tien of the U.S. plays a backhand return to Alexander Zverev of Germany during their quarterfinal match at the Australian Open tennis championship in Melbourne, Australia, Tuesday, Jan. 27, 2026. (AP Photo/Dar Yasin)

Alexander Zverev battled past Learner Tien in Tuesday's quarter-finals to book his place in the semi-finals, while Elina Svitolina stunned Coco Gauff to advance to the last four at the Australian Open.

Alexander Zverev will go into the Australian Open semi-finals relishing being injury-free for the first time in a year as he continues his quest for a first Grand Slam title having seen off Learner Tien in Tuesday's quarter-finals.

Sascha Zverev is trying to win his first major with a semifinals spot on the line against Learner Tien, but his new girlfriend continues to steal the spotlight.

Alexander Zverev has spent years battling for Grand Slam titles, but his life off the court has attracted just as much attention as his powerful serve. For a long time, the woman cheering him on from the player’s box was Sophia Thomalla.

By Lidia Kelly MELBOURNE, Jan 26 (Reuters) - On tennis's biggest stages, Alexander Zverev plays by the arena's timing, the serve clock and the changeover, while a quieter countdown of his blood sugar runs beneath the noise.