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

EGTB: win in 4 half-moves

# move score
1 Kb7 win in 3 half-moves
2 Ra1 draw
3 Ka2 loss in 2 half-moves
4 Ka3 loss in 2 half-moves
5 Ka4 loss in 2 half-moves
6 Kb2 loss in 2 half-moves
7 Kb4 loss in 2 half-moves
8 Kb6 loss in 2 half-moves
9 Kb8 loss in 2 half-moves
10 Kc2 loss in 2 half-moves
11 Kc3 loss in 2 half-moves
12 Kc4 loss in 2 half-moves
13 Kc6 loss in 2 half-moves
14 Kc8 loss in 2 half-moves
15 Ra2 loss in 2 half-moves
16 Ra3 loss in 2 half-moves
17 Ra4 loss in 2 half-moves
18 Ra5 loss in 2 half-moves
19 Ra6 loss in 2 half-moves
20 Ra8 loss in 2 half-moves
21 Rb7 loss in 2 half-moves
22 Kd6 loss in 1 half-moves
23 Kd7 loss in 1 half-moves
24 Kd8 loss in 1 half-moves