Massao Kohatsu (2543) vs Jeff Yamada (2500) - U2600 Semifinal
2017 Kansas City Fall Open - Massao Kohatsu (2546) vs. Jeff Yamada (2480) Final (Highlights)
Massao Kohatsu (2543) vs Jingxu Yang (2486) - Open Singles (1/8)
Jeff Yamada vs Chance Friend
Massao Kohatsu (2587) vs Lindsey Castro (2489) - Semi final
Jeff YAMADA - Former Brazil National Team Member
Samson Dubina vs Jeff Yamada
Massao Kohatsu Brazil
Massao Kohatsu (2599) vs Gediminas Mickus (2217)
Jeff Yamada training with US National Champion Timothy Wang at the Samson Dubina TT Academy
Massao Kohatsu (2587) vs Yichi Zhang (2581) - Semi final
Jeff Yamada (2470) vs Felipe Morita (2377) - (last set)
Massao Kohatsu (2543) vs Nandan Naresh (2210)
Great match ..Kohatsu Massao (2543) vs Xiang He (2419) - Open Singles Quarter Final
Multi-ball with Jeff Yamada
Jeff Yamada (2480) vs Wojciech Wolski (2288) - U2450 (1/8)
T2 Challenge Match Highlights | Jayden ZHOU vs Massao KOHATSU
ITTF GJC Brazil Vitor Ishiy and Massao Kohatsu
US Olympian Timothy Wang vs Brazil National Team Member Jeff Yamada
Coach Jeff Yamada Now Training DAILY
