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 Kb3 win in 5 half-moves
3 Kb4 win in 5 half-moves
4 Ka3 draw
5 Ka5 draw
6 Kc3 draw
7 Kc4 draw
8 Kc5 draw
9 Kd3 draw
10 Ke3 draw
11 Ke4 draw
12 Ra5 draw
13 Rb6 draw
14 Rc6 draw
15 Rg6 draw
16 Rh6 draw
17 Kd5 loss in 2 half-moves
18 Ke5 loss in 2 half-moves
19 Ra7 loss in 2 half-moves
20 Ra8 loss in 2 half-moves
21 Rd6 loss in 2 half-moves
22 Re6 loss in 2 half-moves
23 Rf6 loss in 2 half-moves