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    vs.      
Jan Doise is tied in the series against Paul Cheon, 1-1.

event round table player one result player two
Pro Tour Yokohama 20073117Doise, Jan (1941)Lost 0-2Cheon, Paul (1975)
Pro Tour Valencia 20071233Doise, Jan (1925)Won 2-1Cheon, Paul (2115)