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 Kb4 win in 3 half-moves
3 Kcc2 win in 3 half-moves
4 Ra1 win in 3 half-moves
5 Ra4 win in 3 half-moves
6 Kb3 win in 7 half-moves
7 Rb3 win in 7 half-moves
8 Kc1 draw
9 Kcd3 draw
10 Kd1 draw
11 Kdc2 draw
12 Kdd3 draw
13 Ke1 draw
14 Ke2 draw
15 Ke3 draw
16 Ra2 draw
17 Ra8 draw
18 Kc4 loss in 2 half-moves
19 Kd4 loss in 2 half-moves
20 Ra5 loss in 2 half-moves
21 Ra6 loss in 2 half-moves
22 Ra7 loss in 2 half-moves