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

EGTB: win in 4 half-moves

# move score
1 Kf2 win in 3 half-moves
2 Kc5 draw
3 Ke5 draw
4 Kf1 draw
5 Kg2 draw
6 Kh1 draw
7 Kh2 draw
8 Ra1 draw
9 Ra2 draw
10 Ra3 draw
11 Rb5 draw
12 Rc5 draw
13 Kc4 loss in 2 half-moves
14 Kc6 loss in 2 half-moves
15 Kd4 loss in 2 half-moves
16 Kd6 loss in 2 half-moves
17 Ke4 loss in 2 half-moves
18 Ke6 loss in 2 half-moves
19 Ra4 loss in 2 half-moves
20 Ra6 loss in 2 half-moves
21 Ra7 loss in 2 half-moves
22 Ra8 loss in 2 half-moves