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 Kb5 draw
3 Kb6 draw
4 Kb7 draw
5 Kc5 draw
6 Kc7 draw
7 Kd6 draw
8 Kd7 draw
9 Kg2 draw
10 Kg3 draw
11 Ra4 draw
12 Rb4 draw
13 Rc4 draw
14 Rd4 draw
15 Re4 draw
16 Rg4 draw
17 Ke2 loss in 2 half-moves
18 Ke3 loss in 2 half-moves
19 Ke4 loss in 2 half-moves
20 Kf2 loss in 2 half-moves
21 Rf5 loss in 2 half-moves
22 Rf6 loss in 2 half-moves
23 Rf7 loss in 2 half-moves
24 Rf8 loss in 2 half-moves
25 Rh4 loss in 2 half-moves
26 Kg4 loss in 1 half-moves