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

EGTB: win in 4 half-moves

# move score
1 Kb5 win in 3 half-moves
2 Kb6 win in 3 half-moves
3 Kd7 win in 3 half-moves
4 Ke7 win in 3 half-moves
5 Re7 win in 3 half-moves
6 Ked5 win in 7 half-moves
7 Ked6 win in 7 half-moves
8 Kf5 win in 7 half-moves
9 Kf6 win in 7 half-moves
10 Kf7 win in 7 half-moves
11 Rf8 win in 7 half-moves
12 Kc6 win in 11 half-moves
13 Kc4 draw
14 Kcd5 draw
15 Kcd6 draw
16 Kd4 draw
17 Ke5 draw
18 Ra8 draw
19 Rc8 draw
20 Rg8 draw
21 Rh8 draw
22 Kb4 loss in 2 half-moves
23 Rb8 loss in 2 half-moves
24 Rd8 loss in 2 half-moves