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 Ka6 draw
4 Ka7 draw
5 Kb1 draw
6 Kb2 draw
7 Kb7 draw
8 Kc2 draw
9 Kd1 draw
10 Kd2 draw
11 Ra1 draw
12 Ra2 draw
13 Ra3 draw
14 Ra5 draw
15 Ra6 draw
16 Rb4 draw
17 Rc4 draw
18 Rg4 draw
19 Kc5 loss in 2 half-moves
20 Kc6 loss in 2 half-moves
21 Kc7 loss in 2 half-moves
22 Ra7 loss in 2 half-moves
23 Ra8 loss in 2 half-moves
24 Rd4 loss in 2 half-moves
25 Re4 loss in 2 half-moves
26 Rf4 loss in 2 half-moves
27 Rh4 loss in 2 half-moves