Click on the third or sixth rank to set the en passant target square.

EGTB: win in 2 half-moves

# move score
1 Rc6 win in 1 half-moves
2 Ka4 draw
3 Kb4 draw
4 Ra7 draw
5 Ra8 draw
6 Rb6 draw
7 Rd6 draw
8 Re6 draw
9 Rf6 draw
10 Rg6 draw
11 Rh6 draw
12 Kb5 loss in 2 half-moves
13 Kb6 loss in 2 half-moves