| Thanh Nam Nguyen defeated Seung-Woo Ryu |
2007 World Cup of Pool - Vietnam vs Korea 9-Ball |
| Ching-Shun Yang defeated Seung-Woo Ryu |
2008 Guinness Tour - Guangzhou Leg 9-Ball |
| Alex Pagulayan defeated Seung-Woo Ryu |
2008 Guinness Tour - Jakarta Final 9-Ball |
| Edwin Montal defeated Seung-Woo Ryu |
2007 World Cup of Pool - Canada vs Korea 9-Ball |
| Nick Ekonomopoulos defeated Seung-Woo Ryu |
2012 World Championships 9-Ball |
| Pin-Yi Ko defeated Seung-Woo Ryu |
2013 World Championships 9-Ball |
| Seung-Woo Ryu defeated Bruno Muratore |
2014 World Championships 9-Ball |
| Antonio Gabica defeated Seung-Woo Ryu |
2014 World Championships 9-Ball |
| Alex Pagulayan defeated Seung-Woo Ryu |
2015 World Championships 10-Ball |
| Kun Lin Wu defeated Seung-Woo Ryu |
2015 World Championships 9-Ball |