↑ Yang-soo, Kim (January 26, 2021). "장동윤, 악령이 삼킨 조선·백성 구하는 충녕대군..첫 스틸 공개(조선구마사)" [J[Exclusive] SBS'Racquet Boys', first filming begins on the 30th... First broadcast in May]. Joy News. สืบค้นเมื่อ March 17, 2021.
↑ Jeong-jin Kim, Park So-yeon (May 4, 2021). "[방송소식] SBS 새 월화드라마 '라켓소년단' 31일 첫 방송" [[Broadcasting News] SBS new Monday and Tuesday drama'Racquet Boys' first broadcast on the 31st]. Yonhap News (ภาษาเกาหลี). สืบค้นเมื่อ May 4, 2021.
