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

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

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

WTTC 2013 Highlights: Ma Long vs Koki Niwa (1/8 Final)

World Team Classic Highlights: Zhang Jike-Koki Niwa

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

Koki Niwa vs Ruwen Filus (German League 2012/2013)

2012 Polish Open (md-f) WANG Hao / ZHOU Yu - MATSUDAIRA Kenta / NIWA Koki [Full/Short Form]

German Open 2012 - Koki Niwa Vs Drinkhall -

Japan Open 2012 - Niwa Vs Shibaev -

Japan Open 2012 - Koki Niwa Vs Chen Feng -

China Open 2012 - Koki Niwa Vs Muramatsu -