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 K3b4 draw
3 K3c4 draw
4 Kb2 draw
5 Kb3 draw
6 Kc2 draw
7 Kd2 draw
8 Ra3 draw
9 Ra8 draw
10 Rb5 draw
11 K3d4 loss in 2 half-moves
12 K5b4 loss in 2 half-moves
13 K5c4 loss in 2 half-moves
14 K5d4 loss in 2 half-moves
15 Kb6 loss in 2 half-moves
16 Kc6 loss in 2 half-moves
17 Kd3 loss in 2 half-moves
18 Kd5 loss in 2 half-moves
19 Kd6 loss in 2 half-moves
20 Ra1 loss in 2 half-moves
21 Ra2 loss in 2 half-moves
22 Ra4 loss in 2 half-moves
23 Ra6 loss in 2 half-moves
24 Ra7 loss in 2 half-moves