This is a collection of replays including sanankou.

Open as guaranteed sanankou

' Player: Rank: 新人 Round: 局 本場
Haipai               Draw:  
Agari                Ron (Toimen):  
Source (Tenhou.net) Suuankou attempt changed to assured sanankou.

Open needing tsumo

With shuntsu

Suuankou tenpai