February 2022 
Started cooperation with Shelby Rogers

June 2016-December 2021
Coach of Iga Swiatek
From no.30 in ITF juniors to no.4 in the WTA singles ranking
1 GS title and 2 tour titles (Adelaide 2020 and Rome 2020)
2020 WTA Coach of the year

Polish National Tennis Instructor

PTR WTA Tour Coach course

Piotr Sierzputowski

Email: Piotr.sierzputowski@gmail.com