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    vs.      
Hannes Kerem is tied in the series against Ruben Perez, 1-1.

event round table player one result player two
Grand Prix Manchester 2012654Kerem, Hannes (1739)Lost 1-2Perez, Ruben (1666)
Grand Prix Warsaw 2016562Kerem, Hannes (1819)Won 2-0Perez, Ruben (1931)