Polish tennis player AGNIESZKA RADWANSKA (POL) hitting a forehand shot during women's singles match in US Open 2017 Tennis Championship, New York City Stock Photo - Alamy
Agnieszka Radwanska | Player Stats & More – WTA Official
Agnieszka Radwanska announces retirement from tennis at just 29 | The Independent | The Independent
Agnieszka Radwanska downs Serena in Hopman Cup final - Eurosport
Pressures of the modern game forces Radwanska to retire