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Guilherme Medeiros Merjam leads the series against Tulio Jaudy, 2-1.

event	round	table	player one	result	player two
Grand Prix Sao Paulo 2009	9	46	Medeiros Merjam, Guilherme (1559)	Won 2-0	Jaudy, Tulio (1650)
Grand Prix Sao Paulo 2019	6	250	Medeiros Merjam, Guilherme (2017)	Won 2-0	Jaudy, Tulio (1809)
Grand Prix Sao Paulo 2019 (2)	15	12	Medeiros Merjam, Guilherme (1911)	Lost 1-2	Jaudy, Tulio (1847)