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

EGTB: win in 4 half-moves

# move score
1 Kb6 win in 3 half-moves
2 Kb7 win in 3 half-moves
3 Kb8 win in 3 half-moves
4 Kc6 win in 3 half-moves
5 Kd6 win in 3 half-moves
6 Kc8 draw
7 Kcd7 draw
8 Kcd8 draw
9 Ke7 draw
10 Ked7 draw
11 Ked8 draw
12 Kf7 draw
13 Kf8 draw
14 Ra5 draw
15 Rg5 draw
16 Rh3 draw
17 Rh4 draw
18 Rh6 draw
19 Rh7 draw
20 Rh8 draw
21 Rb5 loss in 2 half-moves
22 Rc5 loss in 2 half-moves
23 Rd5 loss in 2 half-moves
24 Re5 loss in 2 half-moves
25 Rf5 loss in 2 half-moves
26 Rh1 loss in 2 half-moves
27 Rh2 loss in 2 half-moves