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

EGTB: win in 2 half-moves

# move score
1 Kc7 win in 1 half-moves
2 Kd7 win in 1 half-moves
3 Rb1 win in 1 half-moves
4 Kb7 loss in 2 half-moves
5 Kd8 loss in 2 half-moves
6 Ra8 loss in 2 half-moves
7 Rb2 loss in 2 half-moves
8 Rb3 loss in 2 half-moves
9 Rb4 loss in 2 half-moves
10 Rb5 loss in 2 half-moves
11 Rb6 loss in 2 half-moves
12 Rb7 loss in 2 half-moves