Koki Niwa vs Tomokazu Harimoto | T2 Diamond Singaopore (QF)

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

Tomokazu Harimoto vs Koki Niwa I 2018 Asian Cup

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

Tomokazu Harimoto vs Wong Chun Ting | 2019 T2 Diamond Malaysia (R16)

Xu Xin vs Tomokazu Harimoto | T2 Diamond Singaopore (SF)

Hugo Calderano vs Koki Niwa | T2 Diamond 2019 Singapore (R16)

Koki Niwa vs Mattias Falck | 2019 T2 Diamond Malaysia (R16)

2017 세계탁구선수권 쉬신VS하리모토 준준결승 HARIMOTO Tomokazu XU Xin 2017 WTTC QF

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

2017 세계탁구선수권 쉬신VS하리모토 준준결승 HARIMOTO Tomokazu XU Xin 2017 WTTC QF

2017 세계탁구선수권 쉬신VS하리모토 준준결승 HARIMOTO Tomokazu XU Xin 2017 WTTC QF

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

2017 WTTC MS QF NIWA Koki FAN Zhendong(CHN)

2017 WTTC MS QF NIWA Koki FAN Zhendong(CHN)

2017 WTTC MS QF NIWA Koki FAN Zhendong(CHN)

2017 Asian Championships MS QF NIWA Koki XU Xin(CHN)

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

Wang Manyu vs Han Ying | T2 Diamond Malaysia (QF)

Xu Xin vs Mattias Falck | T2 Diamond Malaysia (QF)

Sun Yingsha vs Zhu Yuling | T2 Diamond Malaysia (QF)