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 Ra3 win in 9 half-moves
5 K3b3 draw
6 Kc2 draw
7 Ra7 draw
8 Rb4 draw
9 K3d3 loss in 2 half-moves
10 K3d4 loss in 2 half-moves
11 K4b3 loss in 2 half-moves
12 K4d3 loss in 2 half-moves
13 K4d4 loss in 2 half-moves
14 Kb5 loss in 2 half-moves
15 Kc5 loss in 2 half-moves
16 Kd2 loss in 2 half-moves
17 Kd5 loss in 2 half-moves
18 Ra1 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 Ra8 loss in 2 half-moves