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 Kc2 win in 5 half-moves
3 Ka5 draw
4 Ka6 draw
5 Ka7 draw
6 Kb1 draw
7 Kb2 draw
8 Kb7 draw
9 Kc5 draw
10 Kc6 draw
11 Kc7 draw
12 Ra1 draw
13 Ra3 draw
14 Ra5 draw
15 Ra6 draw
16 Ra7 draw
17 Ra8 draw
18 Rb4 draw
19 Rc4 draw
20 Rd4 draw
21 Re4 draw
22 Kd1 loss in 2 half-moves
23 Kd2 loss in 2 half-moves
24 Ra2 loss in 2 half-moves
25 Rf4 loss in 2 half-moves
26 Rg4 loss in 2 half-moves
27 Rh4 loss in 2 half-moves