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 Kb6 draw
3 Kb7 draw
4 Kc2 draw
5 Kc5 draw
6 Kc7 draw
7 Kd1 draw
8 Ke1 draw
9 Ke3 draw
10 Ra1 draw
11 Ra3 draw
12 Ra4 draw
13 Ra6 draw
14 Rb2 draw
15 Rc2 draw
16 Kc1 loss in 2 half-moves
17 Kc3 loss in 2 half-moves
18 Kd3 loss in 2 half-moves
19 Kd5 loss in 2 half-moves
20 Kd6 loss in 2 half-moves
21 Kd7 loss in 2 half-moves
22 Ra5 loss in 2 half-moves
23 Ra7 loss in 2 half-moves
24 Ra8 loss in 2 half-moves
25 Ke2 loss in 1 half-moves