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

EGTB: win in 22 half-moves

# move score
1 Kb4 win in 21 half-moves
2 Kb2 draw
3 Kb3 draw
4 Kb8 draw
5 Kc2 draw
6 Kc4 draw
7 Kd8 draw
8 Ra3 draw
9 Ra6 draw
10 Rb8 draw
11 Kb7 loss in 2 half-moves
12 Kc7 loss in 2 half-moves
13 Kd2 loss in 2 half-moves
14 Kd3 loss in 2 half-moves
15 Kd4 loss in 2 half-moves
16 Kd7 loss in 2 half-moves
17 Ra1 loss in 2 half-moves
18 Ra2 loss in 2 half-moves
19 Ra4 loss in 2 half-moves
20 Ra5 loss in 2 half-moves
21 Ra7 loss in 2 half-moves