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    vs.      
Mark Jacobson leads the series against Seth Manfield, 2-1.

event round table player one result player two
Grand Prix Pittsburgh 20151013Jacobson, Mark (1922)Won 2-0Manfield, Seth (2170)
Grand Prix London 2018103Jacobson, Mark (1959)Lost 0-2Manfield, Seth (2252)
Pro Tour Guilds of Ravnica1210Jacobson, Mark (2164)Won 2-1Manfield, Seth (2026)