Monthly record of Serumasama's rank (dan/kyu)
month dan/kyu win/lose win ratio
2023 /10 8.00 Kyu 2 win 3 lose .400
2017 /01 10 Kyu 0 win 1 lose .000
2016 /06 10 Kyu 0 win 1 lose .000
2016 /05 10 Kyu 0 win 2 lose .000
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