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

EGTB: win in 4 half-moves

# move score
1 Kd6 win in 3 half-moves
2 Kde6 win in 3 half-moves
3 Rf8 win in 3 half-moves
4 Rg7 win in 9 half-moves
5 Kc6 draw
6 Kc7 draw
7 Kc8 draw
8 Kd8 draw
9 Kde7 draw
10 Ke8 draw
11 Rh7 draw
12 Ke5 loss in 2 half-moves
13 Kf5 loss in 2 half-moves
14 Kfe6 loss in 2 half-moves
15 Kfe7 loss in 2 half-moves
16 Kg5 loss in 2 half-moves
17 Kg6 loss in 2 half-moves
18 Kg7 loss in 2 half-moves
19 Re7 loss in 2 half-moves