20 Sep 2023 | 1402/06/29

JANG Seongil (KOR) VS YOSHIYAMA Kazuki (JPN) | U19 BS Semifinal | WTT YC Varazdin 2023

9 Sep 2023 | 1402/06/18

Keishi Hagihara vs Kazuki Yoshiyama | U19 BS Final | WTT Youth Star Contender Skopje 2023

18 Dec 2022 | 1401/09/27

S. Arpas/B. Lei vs K. Yoshiyama/T. Tanimoto | Final U15 BD | ITTF World Youth Championships 2022

17 Dec 2022 | 1401/09/26

K. Yoshiyama/T. Tanimoto vs F. Coton/N. Lam | U15 BD SF | ITTF World Youth Championships 2022

14 Dec 2022 | 1401/09/23

Kazuki Yoshiyama vs Flavien Coton | Final U15 Boys' Singles | ITTF World Youth Championships 2022

9 Dec 2022 | 1401/09/18

Kazuki Yoshiyama vs Wen Ruibo | U15 Boys' Teams Semifinal | ITTF World Youth Championships 2022

9 Dec 2022 | 1401/09/18

Kazuki Yoshiyama vs Kang Youde | U15 Boys' Teams Semifinal | ITTF World Youth Championships 2022

8 Sep 2022 | 1401/06/17

H. Suzuki/K. Yoshiyama vs D. Berzosa/R. Castro | U19 BD Final | WTT Youth Star Contender Skopje 2022