Sweet 15 as Kostyuk shocks Peng Shuai

MELBOURNE: Marta Kostyuk became the first player born in 2002 to win in main draw of a Grand Slam when she shocked China’s 25th seed Peng Shuai in straight sets.

The 15-year-old qualifier from Ukraine beat the 2014 US open semi-finalist who, at 32, is double her age.