User blog comment:Niga=Abushumu/Any known locations for players in each country?/@comment-26088259-20160730042201

For Singapore, I'd say that the duelists are relatively quiet, but can appear on their own accord once you send out an invitaation to duel. The players all gather on this one Facebook group, so it might be wise to try calling them out just before you arrive or something.

https://www.facebook.com/groups/202654349866267/