Following the WSOB , the Round1 Japan Cup invitational tournament ( formerly Dydo Japan Cup ) took place November 29 – December 2 in Japan . This tournament , which typically includes a number of PBA Tour players and is a PBA title event , was not held in 2011 due to the earthquake and resulting tsunami in Japan
earthquake and resulting tsunami
2011 Tōhoku earthquake and tsunami
PBA Bowling Tour: 2012–13 season