Games played since 2014 year by Hiroki Maruta (Tokyo, Japan) in this fuseki

52
1
43
4bw
+1 
=  
-21
?  

1Ono Takayuki - Maruta Hiroki
2Maruta Hiroki - Ono Takayuki
3Maruta Hiroki - Fujita Maiko
4Maruta Hiroki - Ono Takayuki