Ratings
OTA Koko (Japan)
Japanese name(s): 太田善子4 tournaments
16 results
Player ID: 10398
16 results
Player ID: 10398
2008-06-22: 2008 Tokai block preliminary B(Japan)
| SUGIYAMA Akemi | won against | OTA Koko |
| KANAZAWA Miyuki | won against | OTA Koko |
| MIYASATO Shiyoko | won against | OTA Koko |
| OTA Koko | won against | KOBAYASHI Tome |
| TAKANO-TSUJI Toshimi | won against | OTA Koko |
2003-12-21: Kekka Open(Japan)
| OTA Koko | won against | HASEGAWA Toshi |
| MURAMATSU Daishi | won against | OTA Koko |
| OTA Koko | won against | ABE Yuji |
| SANO Hirotaka | won against | OTA Koko |
| OTA Koko | won against | WADA Emiko |
1992-08-08: 20th All Japan women(Japan)
| TAKEDA Kyoko | won against | OTA Koko |
| HAMADA Kikue | won against | OTA Koko |
1991-08-04: 19th All Japan women(Japan)
| OTA Koko | won against | OHYANAGI Masaki |
| OTA Koko | won against | SANO Yoko |
| HAYASAKA Atsuko | won against | OTA Koko |
| IJICHI Mami | won against | OTA Koko |