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

EGTB: win in 20 half-moves

# move score
1 Kb7 win in 19 half-moves
2 Kb8 draw
3 Kc1 draw
4 Kc7 draw
5 Kd8 draw
6 Ke1 draw
7 Ra6 draw
8 Ra8 draw
9 Rb1 draw
10 Rc1 draw
11 Kc2 loss in 2 half-moves
12 Kd2 loss in 2 half-moves
13 Kd7 loss in 2 half-moves
14 Ke2 loss in 2 half-moves
15 Ra2 loss in 2 half-moves
16 Ra3 loss in 2 half-moves
17 Ra4 loss in 2 half-moves
18 Ra5 loss in 2 half-moves
19 Ra7 loss in 2 half-moves