Japan Open 2013 Highlights: Koki Niwa vs Thomas Keinath (Round 2)

Japan Open 2013 Highlights: Koki Niwa vs Patrick Franziska (Round 3)

Korea Open 2014 Highlights: Koki Niwa Vs Cho Seungmin (Round 1)

China Open 2014 Highlights: Koki Niwa Vs Chuang Chih Yuan (Round Of 16)

Harmony China Open 2013 Highlights: Koki Niwa vs Kim Hyok Bong (Round 1)

Russian Open 2014 Highlights: Koki Niwa Vs Liam Pitchford (Round Of 16)

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

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

Japan Open 2013 Highlights: Koki Niwa/Kenta Matsudaira vs Maharu Yoshimura/Ueda Jin (Final)

Japan Open 2013 Highlights: Koki Niwa vs Masato Shiono (1/4 Final)

Koki Niwa/Mima Ito vs Adriana Diaz/Brian Afanador | 2019 ITTF Japan Open Highlights (R16)

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

2017 World Championships Highlights I Kristian Karlsson/M.Karlsson vs Koki Niwa/Maharu Y. (Round 3)

2014 World Tour Grand Finals Highlights: CHO Eonrae vs NIWA Koki (Round Of 16)

2016 China Open Highlights: Zhang Jike vs Koki Niwa (R16)

Czech Open 2014 Highlights: Masataka Morizono Vs Koki Niwa (1/4 Final)

2017 India Open Highlights: Dimitrij Ovtcharov vs Koki Niwa (1/2)

Russian Open 2014 Highlights: Koki Niwa Vs Jun Mizutani (1/2 FINAL)

Tomokazu H./Koki Niwa vs Patrick F./Ricardo Walther | 2019 ITTF Australian Open Highlights (R16)

Tomokazu Harimoto/Koki Niwa vs Jeoung Youngsik/Lee Sangsu | 2019 ITTF Korea Open Highlights (1/4)

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

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

Koki Niwa Training | Liebherr 2019 World Table Tennis Championships

Koki Niwa vs Marcelo Aguirre | 2019 World Championships Highlights (R128)

Slowmotion Analysis - Fan Zhendong VS Koki Niwa - Push Long - 2017 WTTC

2018 World Team Championships Highlights | Koki Niwa vs Pavel Platonov (Group)

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)