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

EGTB: win in 2 half-moves

# move score
1 Kb4 win in 1 half-moves
2 Kc4 draw
3 Ra2 draw
4 Ra3 draw
5 Ra4 draw
6 Kb5 loss in 2 half-moves
7 Kb6 loss in 2 half-moves
8 Kc6 loss in 2 half-moves
9 Kd4 loss in 2 half-moves
10 Kd5 loss in 2 half-moves
11 Kd6 loss in 2 half-moves
12 Kf7 loss in 2 half-moves
13 Kf8 loss in 2 half-moves
14 Kg7 loss in 2 half-moves
15 Kh7 loss in 2 half-moves
16 Kh8 loss in 2 half-moves
17 Ra1 loss in 2 half-moves
18 Ra6 loss in 2 half-moves
19 Ra7 loss in 2 half-moves
20 Ra8 loss in 2 half-moves
21 Rb5 loss in 2 half-moves