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 Kb5 win in 5 half-moves
3 Kb6 win in 5 half-moves
4 Rc8 win in 5 half-moves
5 Ra6 win in 7 half-moves
6 Kc6 win in 9 half-moves
7 Kd7 win in 9 half-moves
8 Ke7 win in 9 half-moves
9 Ra7 win in 9 half-moves
10 Rb8 win in 9 half-moves
11 Ka4 draw
12 Ka6 draw
13 Kb4 draw
14 Ke6 draw
15 Rd8 draw
16 Rh8 draw
17 Kc5 loss in 2 half-moves
18 Kd5 loss in 2 half-moves
19 Ke5 loss in 2 half-moves
20 Re8 loss in 2 half-moves
21 Rf8 loss in 2 half-moves
22 Rg8 loss in 2 half-moves