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

EGTB: win in 4 half-moves

# move score
1 Kb6 win in 3 half-moves
2 Kb7 win in 3 half-moves
3 Kb8 win in 3 half-moves
4 Kf7 win in 3 half-moves
5 Kf6 win in 5 half-moves
6 Kf5 win in 7 half-moves
7 Ka6 draw
8 Kg5 draw
9 Kg7 draw
10 Kh5 draw
11 Kh6 draw
12 Kh7 draw
13 Rb8 draw
14 Rc8 draw
15 Rd8 draw
16 Rg8 draw
17 Rh8 draw
18 Re8 loss in 2 half-moves
19 Rf8 loss in 2 half-moves