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

2016 World Tour Grand Finals Highlights: Fan Zhendong vs Koki Niwa (R16)

World Tour Grand Finals Highlights: Wang Hao vs Koki Niwa

2015 World Tour Grand Finals Highlights: SAMSONOV Vladimir vs NIWA Koki (R16)

2014 World Tour Grand Finals Highlights: CHEN Chien-An CHUANG Chih-Yuan vs Kenta NIWA Koki (1/4)

2014 World Tour Grand Finals Highlights: Marcos Freitas Vs Koki Niwa (1/4 Final)

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

2014 World Tour Grand Finals Highlights: YU Meng Yu vs HAN Ying (Round Of 16)

2014 World Tour Grand Finals Highlights: SEO Hyowon vs LIU Jia (Round Of 16)

2014 World Tour Grand Finals Highlights: FUKUHARA Ai vs MORIZONO Misaki (Round Of 16)

2014 World Tour Grand Finals Highlights: HIRANO Sayaka vs YU Mengyu (Round Of 1/4 )

2014 World Tour Grand Finals Highlights: TANG Peng vs SAMSONOV Vladimir (Round Of 1/4 )

2014 World Tour Grand Finals Highlights: MIZUTANI Jun vs MENGEL Steffen (Round Of 1/4 )

2014 World Tour Grand Finals Highlights: POTA Georgina vs SAMARA Elizabeta (Round Of 16)

2014 World Tour Grand Finals Highlights: FENG Tianwei vs SEO Hyowon (Round Of 1/4 )

2014 World Tour Grand Finals Highlights: ISHIGAKI Yuka vs ISHIKAWA Kasumi (Round Of 16)

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

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

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

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

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

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)

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

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)