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

EGTB: win in 4 half-moves

# move score
1 Kc6 win in 3 half-moves
2 Kd6 win in 3 half-moves
3 Kd7 win in 3 half-moves
4 Rf6 win in 5 half-moves
5 Rf8 win in 5 half-moves
6 Kb6 draw
7 Kb7 draw
8 Kb8 draw
9 Kc8 draw
10 Kd8 draw
11 Ra5 draw
12 Rf7 draw
13 Rg5 draw
14 Rh5 draw
15 Ke3 loss in 2 half-moves
16 Ke4 loss in 2 half-moves
17 Ke5 loss in 2 half-moves
18 Kf3 loss in 2 half-moves
19 Kg3 loss in 2 half-moves
20 Kg4 loss in 2 half-moves
21 Kg5 loss in 2 half-moves
22 Rb5 loss in 2 half-moves
23 Rc5 loss in 2 half-moves
24 Rd5 loss in 2 half-moves
25 Re5 loss in 2 half-moves