Czech Open 2014 Highlights: Jin Ueda/Maharu Yoshimura VS Koki Niwa/Kenta Matsudaira

Japan Open 2013 Highlights: Kenta Matsudaira/Koki Niwa vs Yang Zi/Zhan Jian (1/2 Final)

2016 Japan Open Highlights: Ma Long/Xu Xin vs Koki Niwa/Maharu Yoshimura (1/4)

2016 Qatar Open Highlights: Ma Long/Xu Xin vs Koki Niwa/Maharu Yoshimura (R1)

2017 Asian Championships MW QF NIWA Koki YOSHIMURA Maharu CHEN Chien An LIAO Cheng Ting(TP

2017 Asian Championships MW QF NIWA Koki YOSHIMURA Maharu CHEN Chien An LIAO Cheng Ting(TP

2016 Qatar Open Highlights: Zhang Jike/Fan Zhendong vs Koki Niwa/Maharu Yoshimura (Final)

Japan Open 2013 Highlights: Kenta Matsudaira/Koki Niwa vs Alexey Liventsov/M.Paykov (1/4 Final)

2016 Polish Open Highlights: Koki Niwa/Maharu Yoshimura vs Yuya Oshima/M.Morizono (Final)

Harmony China Open 2013 Highlights: Ma Long/Xu Xin vs Kenta Matsudaira/Koki Niwa (Final)

Harmony China Open 2013 Highlights: Kenta Matsudaira vs Koki Niwa (1/4 Final)

WTTC 2015 Highlights: FAN Zhendong/ZHOU Yu vs MATSUDAIRA Kenta/NIWA Koki (1/2)

World Team Classic Highlights: Koki Niwa Kenta Matsudaira-Zhang Jike Wang Hao

Harmony China Open 2013 Highlights: Kenta Matsudaira/Koki Niwa vs Chuang C.Y./Chen C. An (1/2 Final)

2016 Austrian Open Highlights: Koki Niwa vs Kenta Matsudaira (R16)

Harmony China Open 2013 Highlights: Kenta Matsudaira/Koki Niwa vs Chiang H.C./Huang S.S.(1/4 Final)

Japan Open 2013 Highlights: Maharu Yoshimura/Jin Ueda vs Gao Ning/Li Hu (1/2 Final)

2017 Austrian Open Highlights: Koki Niwa/Jin Ueda vs Ruwen Filus/Ricardo Walther (Final)

2018 Team World Cup Highlights I Paul Drinkhall/Samuel Walker vs Koki Niwa/Jin Ueda (Group)

2018 Team World Cup Highlights I Koki Niwa/Jin Ueda vs Lee Sangsu/Jeoung Youngsik (1/2)

Tomokazu Harimoto/Koki Niwa vs An Jaehyun/Cho D. | 2019 ITTF Korea Open Highlights (R16)

Point of the Day 2 presented by STIGA | Koki Niwa | 2019 Hong Kong Open

Ma Long vs Koki Niwa | 2019 ITTF China Open Highlights (R16)

Koki Niwa/Mima Ito vs Lin Yun-Ju/Cheng I-Ching | 2019 ITTF China Open Highlights (1/2)

Koki Niwa Training | Liebherr 2019 World Table Tennis Championships

Koki Niwa vs Pucar Tomislav | 2019 World Championships Highlights (R16)

DHS ITTF Top 10 - 2018 Japan Open

DHS ITTF Top 10 - 2018 China Open

Zhang Jike vs Tomokazu Harimoto | 2018 Japan Open Highlights (Final)

Ito Mima vs Wang Manyu | 2018 Japan Open Highlights (Final)

Jeoung Youngsik/Lee Sangsu vs Liang Jingkun/Zhou Kai | 2018 Japan Open Highlights (Final)

Chen Xingtong vs Ito Mima | 2018 Japan Open Highlights (1/2)