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 Kd2 win in 3 half-moves
4 Kd5 win in 3 half-moves
5 Rd5 win in 3 half-moves
6 Kb3 draw
7 Kb4 draw
8 Kcc4 draw
9 Kcd3 draw
10 Kdd3 draw
11 Rc6 draw
12 Rd7 draw
13 Rd8 draw
14 Rf6 draw
15 Kc5 loss in 2 half-moves
16 Kdc4 loss in 2 half-moves
17 Ke3 loss in 2 half-moves
18 Ke4 loss in 2 half-moves
19 Ke5 loss in 2 half-moves
20 Ra6 loss in 2 half-moves
21 Rb6 loss in 2 half-moves
22 Re6 loss in 2 half-moves
23 Rg6 loss in 2 half-moves
24 Rh6 loss in 2 half-moves