Still learning, already winning: Learner Tien's rapid rise on the ATP Tour

Michael Chang’s eyes are glued to the optic-yellow felt ball, following its trajectory, moving from corner to corner. He plays every point with Learner Tien, his 20-year-old protege, the youngest player in the world’s top 30.Tien is part of a rising trio that includes 19-year-old Joao Fonseca and 20-year-old Jakub Mensik, all ranked inside the top 40 and pushing to challenge the Sinner-Alcaraz duopoly. Tien, a gifted left-hander, underlined his emergence again on Sunday at Indian Wells, beating the world No. 8 Ben Shelton to reach the Masters 1000 fourth round.Last year was Tien’s breakout season. He began the year ranked 122 and played his way through the qualifying draw at Melbourne Park before rallying from two-sets-down to stun the then world No. 5 Daniil Medvedev in the second round. In February, he claimed another marquee scalp, defeating world No. 2 Alexander Zverev in Acapulco. While the clay and grass swings brought modest returns, Tien surged again in the autumn, reaching the final of the ATP 500 in Beijing, beating Medvedev again, this time in the semi-finals. He capped the season with his first Tour-level title in Metz, underlining his rapid ascent.The Tour’s fresh face a year ago, now carries a target on his back.“That aspect of tennis is great, to play a lot of the same guys over and over again, you are both adjusting,” Tien said. “I have only played a handful of guys multiple times, so I think this coming year, I'll play a lot more guys for the second, third time, and I think it'll make me a lot better. I'll have to consistently adapt, as guys get to know me better and better.”Chang, who has been working with Tien since August, stressed on growth.“It's a matter of continuing to improve. So, each time he plays another player, whether he has won or not, he's a better player. That’s a good mentality to have,” said Chang, who, as the youngest man ever to win a singles major at just 17, is well versed with breakout success stories. Chang describes Tien as an exceptional talent and tireless worker, highlighting the young American’s hunger to succeed. The duo, who live just 20 minutes apart in California, share more than geography. Beyond the parallel biographies of being sons of immigrants, they are bound by similar drive, discipline and an understated intensity.Tien’s parents, Khuong Dan, a real estate lawyer, and Huyen, a maths teacher, arrived in the United States as refugees from Vietnam. He was coached primarily by his father until age 11, when he entered the USTA’s player development programme.Even his name reflects the family’s story. Learner is a tribute to his mother’s life in education, while his sister, Justice, nods to their father’s career in law.“Our locations make things easy, we could talk about things in Orange County, and he knows what I'm talking about,” Chang, 54, said. “There are more commonalities than what I initially thought we had, including success as a junior. I was joking with him after Metz, that I won my first pro title, in my last tournament of my rookie year too!”Chang, married to former tennis player Amber Liu, has three children.“There are differences, he's lefty,” Chang says. “He’s more gifted than I am as a shot maker, he's much better around various parts of the court. Learner is cerebral, he's a thinker, which is very similar to how my mind works.”Tien deflects the “third factor” narrative, saying his focus doesn’t stretch that far ahead.“I'm young, and I'm far from a fully complete player, there's a lot of little things that I have to improve,” the 20-year-old said. “And one day, if I find myself in that conversation, I think it's great, but it's not in the forefront of my mind right now.”Tien has faced Sinner only once, in last year’s Beijing final, and is yet to play Alcaraz.“I don't think Learner is that far off from being able to compete with those guys at the highest level,” Chang said. “As coach I have that belief in him.”For now, the labels, breakout star, disruptor, third force, can wait. At 20, Tien is still building, still learning, still testing the outer limits of his game. Last year he arrived. This year, he must prove he belongs.