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 Kd5 win in 7 half-moves
3 Ka6 draw
4 Kb7 draw
5 Kb8 draw
6 Kd4 draw
7 Ke3 draw
8 Ke5 draw
9 Kf3 draw
10 Rb8 draw
11 Rc8 draw
12 Rd8 draw
13 Re8 draw
14 Rf8 draw
15 Kd3 loss in 2 half-moves
16 Kf4 loss in 2 half-moves
17 Kf5 loss in 2 half-moves
18 Rg8 loss in 2 half-moves
19 Rh8 loss in 2 half-moves