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

EGTB: win in 2 half-moves

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