The partnership between the rising 20-year-old American and Hall of Famer Michael Chang has already produced strong results. ›Michael Chen, who rarely takes on coaching roles since retiring from the tour, has been working with rising 20-year-old American tennis player Learner Tien since midway through last season. We met briefly there and just said hello.” — Michael Chang (latimes.com) “Honestly, it's pretty smooth because Learner is easygoing. I just don't get that sense.” — Michael Chang (latimes.com) “One of the first things we worked on was the serve. We wanted to make it more of a weapon, with more power and more variety.” — Michael Chang (latimes.com)What’s nextTien will face No.

Source: Los Angeles Times March 10, 2026 19:32 UTC