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

EGTB: win in 4 half-moves

# move score
1 Kb3 win in 3 half-moves
2 Kb4 win in 3 half-moves
3 Kb5 win in 3 half-moves
4 Ka3 win in 5 half-moves
5 Ka5 win in 5 half-moves
6 Ka7 win in 5 half-moves
7 Kc7 win in 5 half-moves
8 Rb8 win in 5 half-moves
9 Rc8 win in 5 half-moves
10 Kb8 win in 13 half-moves
11 Ka6 draw
12 Kb6 draw
13 Kc6 draw
14 Kc8 draw
15 Ra7 draw
16 Rd8 draw
17 Rh8 draw
18 Ra5 loss in 2 half-moves
19 Ra6 loss in 2 half-moves
20 Re8 loss in 2 half-moves
21 Rf8 loss in 2 half-moves
22 Rg8 loss in 2 half-moves