38-year-old Hsieh has won three of the last four major doubles titles with three different partners.
The 25-year-old has thick skin and an immense will to win that has served her well in tough times.
The 21-year-old Chinese was philosophical after falling to Aryna Sabalenka in her maiden major final.
Daniil Medvedev has won six of nine career meetings vs. Jannik Sinner.
Alexander Zverev said he ran out of gas squandering a two-set lead to Daniil Medvedev in a painful AO semifinal loss.
The Serb was disappointed with his performance in Australia, but still believes he has much to give.
The star-studded lineup features 10 of the WTA's Top-20.