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

EGTB: win in 4 half-moves

# move score
1 Kb2 win in 3 half-moves
2 Kc2 win in 3 half-moves
3 Kcb4 win in 3 half-moves
4 Kcc4 win in 3 half-moves
5 Kd2 win in 3 half-moves
6 Kd4 win in 3 half-moves
7 Ra2 win in 3 half-moves
8 Ra4 win in 3 half-moves
9 Ra6 win in 3 half-moves
10 Kbb4 win in 5 half-moves
11 Kd3 win in 5 half-moves
12 Ka4 win in 7 half-moves
13 Ka5 win in 7 half-moves
14 Kb3 win in 7 half-moves
15 Ra1 win in 7 half-moves
16 Ra5 win in 7 half-moves
17 Rb3 win in 7 half-moves
18 Ka6 win in 9 half-moves
19 Kbc4 draw
20 Kc5 draw
21 Kb6 loss in 2 half-moves
22 Kc6 loss in 2 half-moves
23 Ra7 loss in 2 half-moves
24 Ra8 loss in 2 half-moves