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

EGTB: win in 4 half-moves

# move score
1 Kb5 win in 3 half-moves
2 Ka5 draw
3 Ka7 draw
4 Kb6 draw
5 Kb7 draw
6 Kc2 draw
7 Kc3 draw
8 Kc4 draw
9 Kd2 draw
10 Kd4 draw
11 Ke2 draw
12 Ke3 draw
13 Ra8 draw
14 Rb8 draw
15 Rc8 draw
16 Rd8 draw
17 Re1 draw
18 Ke4 loss in 2 half-moves
19 Re2 loss in 2 half-moves
20 Re3 loss in 2 half-moves
21 Re4 loss in 2 half-moves
22 Re5 loss in 2 half-moves
23 Re6 loss in 2 half-moves
24 Re7 loss in 2 half-moves
25 Rf8 loss in 2 half-moves
26 Rg8 loss in 2 half-moves
27 Rh8 loss in 2 half-moves