Games played by Hirouji Sakamoto (Osaka, Japan) in this fuseki

42
15
3
4bw
+31
=  
-  
?  

1Kon Akira - Sakamoto Hirouji
2Sakamoto Hirouji - Koiso Shigemasa
3Sakamoto Hirouji - Iio Yoshihiro
4Sakamoto Hirouji - Toyo Koryu