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

EGTB: win in 8 half-moves

# move score
1 Kb7 win in 7 half-moves
2 Kb8 win in 7 half-moves
3 Kc7 win in 7 half-moves
4 Rb8 win in 7 half-moves
5 Kb2 draw
6 Kb4 draw
7 Kc2 draw
8 Kc4 draw
9 Kd2 draw
10 Kd8 draw
11 Ra3 draw
12 Rb1 draw
13 Rb2 draw
14 Rb7 draw
15 Kd3 loss in 2 half-moves
16 Kd4 loss in 2 half-moves
17 Kd7 loss in 2 half-moves
18 Rb4 loss in 2 half-moves
19 Rb5 loss in 2 half-moves
20 Rb6 loss in 2 half-moves