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Guilherme Medeiros Merjam is tied in the series against Matheus Akio Yanagiura, 1-1.

event	round	table	player one	result	player two
Grand Prix Sao Paulo 2019 (2)	10	7	Medeiros Merjam, Guilherme (1939)	Won 2-1	Akio Yanagiura, Matheus (1852)
Regional Championships Sao Paulo 2023 Cycle 4	2	83	Medeiros Merjam, Guilherme (1792)	Lost 1-2	Akio Yanagiura, Matheus (1735)