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 Rb7 draw
4 Ka5 loss in 2 half-moves
5 Ra8 loss in 2 half-moves
6 Re7 loss in 2 half-moves
7 Rf7 loss in 2 half-moves
8 Rg7 loss in 2 half-moves
9 Rh7 loss in 2 half-moves
10 Kb5 loss in 1 half-moves
11 Kb6 loss in 1 half-moves
12 Kb7 loss in 1 half-moves