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 win in 3 half-moves
3 Kc4 win in 5 half-moves
4 Kd4 win in 5 half-moves
5 Ra5 win in 5 half-moves
6 Ka5 draw
7 Ka7 draw
8 Kb7 draw
9 Kc5 draw
10 Kc6 draw
11 Kd6 draw
12 Ke5 draw
13 Ke6 draw
14 Rb4 draw
15 Rc4 draw
16 Rd4 draw
17 Re4 draw
18 Rf4 draw
19 Ke4 loss in 2 half-moves
20 Ra1 loss in 2 half-moves
21 Ra2 loss in 2 half-moves
22 Ra3 loss in 2 half-moves
23 Rg4 loss in 2 half-moves
24 Rh4 loss in 2 half-moves