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

EGTB: win in 4 half-moves

# move score
1 Kd5 win in 3 half-moves
2 Kc3 draw
3 Kc4 draw
4 Kc5 draw
5 Kd3 draw
6 Ke3 draw
7 Ke4 draw
8 Ra6 draw
9 Rb6 draw
10 Rc6 draw
11 Rd5 draw
12 Rh6 draw
13 Ke5 loss in 2 half-moves
14 Rd7 loss in 2 half-moves
15 Rd8 loss in 2 half-moves
16 Re6 loss in 2 half-moves
17 Rf6 loss in 2 half-moves
18 Rg6 loss in 2 half-moves