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

EGTB: win in 4 half-moves

# move score
1 K3b4 win in 3 half-moves
2 K4b4 win in 3 half-moves
3 Kb2 win in 3 half-moves
4 Kd2 win in 3 half-moves
5 Rb4 win in 3 half-moves
6 Kc2 win in 5 half-moves
7 K3d3 win in 9 half-moves
8 K3d4 win in 9 half-moves
9 K4d4 win in 9 half-moves
10 Ra3 win in 9 half-moves
11 K3b3 draw
12 Ra1 draw
13 Ra8 draw
14 K4b3 loss in 2 half-moves
15 K4d3 loss in 2 half-moves
16 Kb5 loss in 2 half-moves
17 Kc5 loss in 2 half-moves
18 Kd5 loss in 2 half-moves
19 Ra2 loss in 2 half-moves
20 Ra5 loss in 2 half-moves
21 Ra6 loss in 2 half-moves
22 Ra7 loss in 2 half-moves