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 Ka5 draw
3 Ka7 draw
4 Kb6 draw
5 Kb7 draw
6 Kd3 draw
7 Kd4 draw
8 Ke2 draw
9 Kf2 draw
10 Kf3 draw
11 Ra5 draw
12 Rb5 draw
13 Rc5 draw
14 Rd5 draw
15 Rh1 draw
16 Rh2 draw
17 Rh3 draw
18 Rh4 draw
19 Kd2 loss in 2 half-moves
20 Ke4 loss in 2 half-moves
21 Kf4 loss in 2 half-moves
22 Re5 loss in 2 half-moves
23 Rf5 loss in 2 half-moves
24 Rg5 loss in 2 half-moves
25 Rh6 loss in 2 half-moves
26 Rh7 loss in 2 half-moves
27 Rh8 loss in 2 half-moves