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

EGTB: win in 4 half-moves

# move score
1 Kb1 win in 3 half-moves
2 Kb2 win in 3 half-moves
3 Ra2 win in 3 half-moves
4 Ra1 win in 25 half-moves
5 Kc2 draw
6 Kc6 draw
7 Kd1 draw
8 Kd2 draw
9 Ra3 draw
10 Ra4 draw
11 Ra5 draw
12 Ka5 loss in 2 half-moves
13 Ka7 loss in 2 half-moves
14 Kb5 loss in 2 half-moves
15 Kb7 loss in 2 half-moves
16 Kc5 loss in 2 half-moves
17 Kc7 loss in 2 half-moves
18 Ra7 loss in 2 half-moves
19 Ra8 loss in 2 half-moves