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

EGTB: win in 4 half-moves

# move score
1 Kb6 win in 3 half-moves
2 Kbc6 win in 3 half-moves
3 Ra4 win in 3 half-moves
4 Ra8 win in 3 half-moves
5 Ka6 win in 7 half-moves
6 Kc7 win in 7 half-moves
7 Kd6 win in 7 half-moves
8 Kdc6 win in 7 half-moves
9 Ra7 win in 7 half-moves
10 Ka4 draw
11 Kc5 draw
12 Kc8 draw
13 Kd8 draw
14 Ke6 draw
15 Ke7 draw
16 Ke8 draw
17 Ra6 draw
18 Kb4 loss in 2 half-moves
19 Kc4 loss in 2 half-moves
20 Ra1 loss in 2 half-moves
21 Ra2 loss in 2 half-moves
22 Ra3 loss in 2 half-moves