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

EGTB: win in 4 half-moves

# move score
1 Kc8 win in 3 half-moves
2 Kcd8 win in 3 half-moves
3 Rf7 win in 5 half-moves
4 Ked7 win in 13 half-moves
5 Kf7 win in 13 half-moves
6 Kb7 draw
7 Kb8 draw
8 Kc6 draw
9 Kcd7 draw
10 Kd6 draw
11 Ked8 draw
12 Kf8 draw
13 Re1 draw
14 Re5 draw
15 Re6 draw
16 Rg7 draw
17 Rh7 draw
18 Kb6 loss in 2 half-moves
19 Rd7 loss in 2 half-moves
20 Re2 loss in 2 half-moves
21 Re3 loss in 2 half-moves
22 Re4 loss in 2 half-moves