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

EGTB: win in 4 half-moves

# move score
1 Kb4 win in 3 half-moves
2 Kb3 win in 5 half-moves
3 Kc5 win in 5 half-moves
4 Kc6 win in 5 half-moves
5 Kc7 win in 5 half-moves
6 Kd7 win in 5 half-moves
7 Ra6 win in 5 half-moves
8 Ra7 win in 5 half-moves
9 Rc8 win in 5 half-moves
10 Ka2 draw
11 Ka4 draw
12 Kb2 draw
13 Kd5 draw
14 Ke5 draw
15 Ke6 draw
16 Ke7 draw
17 Rb8 draw
18 Rd8 draw
19 Re8 draw
20 Rf8 draw
21 Ra4 loss in 2 half-moves
22 Ra5 loss in 2 half-moves
23 Rg8 loss in 2 half-moves
24 Rh8 loss in 2 half-moves