Joo Sae-hyuk vs. Koki Niwa | 2015 Korea Open | Men's Singles Semifinal | Highlights

Joo Sae-hyuk vs. Vladimir Samsonov | 2010 Korea Open | Men's Singles Final | Highlights

Joo Sae-hyuk vs. Wang Liqin | 2009 Qatar Open | Men's Singles Quarterfinal | Highlights

FULL MATCH | Lin Shidong vs Felix Lebrun | MS SF | #WTTMontpellier 2024

Joo Sae-hyuk vs. Kim Dong-hyun | 2015 Korea Open | Men's Singles Quarterfinal | Highlights

FULL MATCH | XU Xin (CHN) vs NIWA Koki (JPN) | MS R16 | 2020 ITTF Qatar Open

Joo Sae-hyuk at T2 Asia-Pacific League 2017

Koki NIWA Best Training Private Record - Short Form

ITTF Worldcup Macao 2025 | Men's Final | Hugo Calderano vs Lin Shidong | Full Match #HugoCalderano

Hugo Calderano vs Wang Chuqin | Match Highlights | #ITTFWORLDCUP 2025

Hugo Calderano vs Darko Jorgic | FINAL | 2025 International Ciutat de Barcelona