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 Kc5 win in 3 half-moves
3 Kd5 win in 5 half-moves
4 Kb4 draw
5 Kb7 draw
6 Kb8 draw
7 Kc7 draw
8 Kd4 draw
9 Kd7 draw
10 Kd8 draw
11 Ra4 draw
12 Ra5 draw
13 Ra7 draw
14 Ra8 draw
15 Rb6 draw
16 Rc6 draw
17 Rf6 draw
18 Kb3 loss in 2 half-moves
19 Kc3 loss in 2 half-moves
20 Kd3 loss in 2 half-moves
21 Ra1 loss in 2 half-moves
22 Ra2 loss in 2 half-moves
23 Ra3 loss in 2 half-moves
24 Rd6 loss in 2 half-moves
25 Re6 loss in 2 half-moves
26 Rg6 loss in 2 half-moves
27 Rh6 loss in 2 half-moves