Two of four American men still playing in Melbourne, Irvine native Tien, 19, and Aliso Viejo native Michelsen, 20, became ...

American star Coco Gauff and newcomer Learner Tien are still in the draw at the Australian Open -- but who else is? We break ...

Two friends from California, Learner Tien and Alex Michelsen, have both reached the fourth round at the Australian Open. Tien ...

Learner Tien and Alex Michelsen were born about 15 months apart and first crossed paths a decade ago when they were playing ...

Two friends from California, Learner Tien and Alex Michelsen, have both reached the fourth round at the Australian Open. Tien ...

Frances Tiafoe has thrown up during a first-round match at the Australian Open along the way to a five-set victory.