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 Ka6 draw
3 Kb6 draw
4 Kd3 draw
5 Ke1 draw
6 Ke3 draw
7 Kf1 draw
8 Kf2 draw
9 Kf3 draw
10 Ra8 draw
11 Rc8 draw
12 Rd8 draw
13 Re8 draw
14 Rf8 draw
15 Rg3 draw
16 Rg4 draw
17 Rg5 draw
18 Rg6 draw
19 Rg7 draw
20 Rh8 draw
21 Ka4 loss in 2 half-moves
22 Kb4 loss in 2 half-moves
23 Kd1 loss in 2 half-moves
24 Kd2 loss in 2 half-moves
25 Rb8 loss in 2 half-moves
26 Rg1 loss in 2 half-moves
27 Rg2 loss in 2 half-moves