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

EGTB: win in 4 half-moves

# move score
1 Kc7 win in 3 half-moves
2 Kc8 win in 3 half-moves
3 Kd8 win in 3 half-moves
4 Ke7 win in 3 half-moves
5 Ke8 win in 3 half-moves
6 Rc6 win in 5 half-moves
7 K7c6 draw
8 K7e6 draw
9 Ra6 draw
10 Rb6 draw
11 Rg6 draw
12 Rh6 draw
13 K5c6 loss in 2 half-moves
14 K5e6 loss in 2 half-moves
15 Kc4 loss in 2 half-moves
16 Kc5 loss in 2 half-moves
17 Kd4 loss in 2 half-moves
18 Ke4 loss in 2 half-moves
19 Ke5 loss in 2 half-moves
20 Re6 loss in 2 half-moves
21 Rf6 loss in 2 half-moves