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

EGTB: win in 4 half-moves

# move score
1 Kb7 win in 3 half-moves
2 Kbc7 win in 3 half-moves
3 Ra5 win in 3 half-moves
4 Ka7 win in 7 half-moves
5 Kc8 win in 7 half-moves
6 Kd7 win in 7 half-moves
7 Kdc7 win in 7 half-moves
8 Ra8 win in 7 half-moves
9 Ka5 draw
10 Kc6 draw
11 Ke7 draw
12 Ke8 draw
13 Ra1 draw
14 Ra7 draw
15 Kb5 loss in 2 half-moves
16 Kc5 loss in 2 half-moves
17 Ra2 loss in 2 half-moves
18 Ra3 loss in 2 half-moves
19 Ra4 loss in 2 half-moves