YONEX NANORAY Z SPEED
2019 – PRESENT
Sung Ji Hyun is currently using the Yonex Nanoray Z Speed. She is using the lime yellow variant. The bright orange version of this racket has been discontinued by Yonex.
YONEX DUORA 10 LT
Yonex started sponsoring Team Korea in January 2019. She was using a Duora 10 LT at that time. The Duora 10 lt is the 4U version (83 grams) of the much more popular Duora 10 racket (available only in 3U and 2U).