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

EGTB: win in 2 half-moves

# move score
1 Ra6 win in 1 half-moves
2 Rb2 win in 1 half-moves
3 Rb1 win in 3 half-moves
4 Rb3 win in 3 half-moves
5 Kb5 loss in 2 half-moves
6 Kb7 loss in 2 half-moves
7 Kd5 loss in 2 half-moves
8 Kd6 loss in 2 half-moves
9 Kd7 loss in 2 half-moves
10 Rb4 loss in 2 half-moves
11 Rb5 loss in 2 half-moves
12 Rb7 loss in 2 half-moves
13 Rb8 loss in 2 half-moves
14 Kc5 loss in 1 half-moves
15 Kc7 loss in 1 half-moves