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

EGTB: win in 2 half-moves

# move score
1 Rc7 win in 1 half-moves
2 Rd7 win in 1 half-moves
3 Ka5 draw
4 Kb6 draw
5 Kb7 draw
6 Ra8 draw
7 Rb7 draw
8 Re7 draw
9 Rf7 draw
10 Rg7 draw
11 Kb5 loss in 2 half-moves
12 Rh7 loss in 2 half-moves