Jonny De Groot, who plays number-one on East Hampton High’s boys tennis team, was to have played Center Moriches’s Mike Koscinski, the top seed, Monday afternoon, for third place in Division IV’s singles draw, while two East Hampton doubles teams, Alex Weseley and Jamie Fairchild and Matthew McGovern and Miles Clark, were to have fought it out for third place among the division’s doubles teams. The top four in each draw advance to the county individual tournament that is to begin tomorrow.