10th WFSC 2016 / Junior / Kobayashi Jiyu - 16 place
10th WFSC 2016 / Junior /Kobayashi Jirei - 13 place
2016 WIFC Classic Slalom Junior Men 16th Place Kobayashi Jiyu (JPN)
10th WFSC 2016 / Junior / Rak-Akson Sirinthip - 10 place
2019 SSO Classic Slalom Pair 10th Place Kobayashi Jirei & Jiyu (JPN）
2016 WIFC Classic Slalom Junior Men 13th Place Kobayashi Jirei（JPN)
10th WFSC 2016 / Junior / Hamasaki Tsukika - 11 place
World Junior Man 24 Kobayashi Jiyu
Team Freestyle Japan Skater, Twins Jirei & Jiyu. 일본 프리스타일팀 쌍둥이 스케이터.
10th WFSC 2016 / Junior / Mokkharat Lalida - 8 place
2023 Tokai Hokuriku Pair Classic Slalom Jiyu Kobayashi Jirei Kobayashi
Kobayashi Jiyu 12th ASIAN ROLLER SKATING CHAMPIONSHIPS
2017 SSO Junior Men Slalom，Preliminary，Kobayashi Jiyu (Japan)
CLASSIC SLALOM JB Jiyu Kobayashi
Kobayashi Jiyu 7TH ASEAN INLINE FREESTYLE CHAMPIONSHIP
10th WFSC 2016 / Junior / Chan Tsz Chung - 14 place
2016 SSO Classic Slalom Junior Men 2nd Place Gu Kun Qi (CHN)
2019 SSO Classic Slalom Junior Men 13th Place Kobayashi Jirei JPN
PS02 KOBAYASHI JIYU & KOBAYASHI JIREI
World Roller Games 2017 ( WFSC ) / Kim Jun Keom - 12 place
