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

EGTB: win in 4 half-moves

# move score
1 K3b3 win in 3 half-moves
2 K3b4 win in 3 half-moves
3 K4b3 win in 3 half-moves
4 Kb2 win in 3 half-moves
5 Kb5 win in 3 half-moves
6 Ra5 win in 3 half-moves
7 Rb3 win in 3 half-moves
8 Kc2 win in 7 half-moves
9 Ra4 win in 7 half-moves
10 Kd5 win in 9 half-moves
11 Ra6 win in 11 half-moves
12 Ra7 win in 11 half-moves
13 K3d4 draw
14 K4b4 draw
15 Kc5 draw
16 Ra8 draw
17 K3d3 loss in 2 half-moves
18 K4d3 loss in 2 half-moves
19 K4d4 loss in 2 half-moves
20 Kd2 loss in 2 half-moves
21 Ra1 loss in 2 half-moves
22 Ra2 loss in 2 half-moves