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 Ka2 draw
3 Kb1 draw
4 Kb2 draw
5 Kb7 draw
6 Kb8 draw
7 Kc6 draw
8 Kc8 draw
9 Kd6 draw
10 Kd7 draw
11 Kd8 draw
12 Ra6 draw
13 Rb6 draw
14 Rc6 draw
15 Rd6 draw
16 Re3 draw
17 Re4 draw
18 Re5 draw
19 Re7 draw
20 Re8 draw
21 Rf6 draw
22 Re1 loss in 2 half-moves
23 Re2 loss in 2 half-moves
24 Rg6 loss in 2 half-moves
25 Rh6 loss in 2 half-moves