Games lost by Ryusuke Tanizaki (Kanagawa, Japan) in this fuseki

3
24
15
6bw
+2 
=  
-31
?  

1Tanizaki Ryusuke - Qiu Yunfei
2Tanizaki Ryusuke - Tanji Hiroki
3Iio Yoshihiro - Tanizaki Ryusuke
4Tanizaki Ryusuke - Maruta Hiroki