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

EGTB: win in 4 half-moves

# move score
1 Kf7 win in 3 half-moves
2 Kf8 win in 3 half-moves
3 Rf8 win in 3 half-moves
4 Kb7 draw
5 Kb8 draw
6 Kc8 draw
7 Kcd7 draw
8 Kcd8 draw
9 Ke7 draw
10 Ked7 draw
11 Ked8 draw
12 Rg2 draw
13 Rg3 draw
14 Rg5 draw
15 Rg6 draw
16 Rg7 draw
17 Rh8 draw
18 Kb6 loss in 2 half-moves
19 Kc6 loss in 2 half-moves
20 Kd6 loss in 2 half-moves
21 Rg1 loss in 2 half-moves
22 Rg4 loss in 2 half-moves