Click on the third or sixth rank to set the en passant target square.

EGTB: win in 4 half-moves

# move score
1 Kb4 win in 3 half-moves
2 Kc2 win in 3 half-moves
3 Kc4 win in 3 half-moves
4 Kb5 draw
5 Kb6 draw
6 Kc1 draw
7 Kc6 draw
8 Kd5 draw
9 Kd6 draw
10 Ke1 draw
11 Ra1 draw
12 Ra3 draw
13 Ra5 draw
14 Ra8 draw
15 Rb7 draw
16 Rc7 draw
17 Rd7 draw
18 Re7 draw
19 Kd2 loss in 2 half-moves
20 Kd4 loss in 2 half-moves
21 Ke2 loss in 2 half-moves
22 Ra2 loss in 2 half-moves
23 Ra4 loss in 2 half-moves
24 Ra6 loss in 2 half-moves
25 Rf7 loss in 2 half-moves
26 Rg7 loss in 2 half-moves
27 Rh7 loss in 2 half-moves