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

EGTB: win in 4 half-moves

# move score
1 Ka8 win in 3 half-moves
2 Kb8 win in 3 half-moves
3 Kd6 win in 3 half-moves
4 Kd7 win in 3 half-moves
5 Ke7 win in 3 half-moves
6 Re7 win in 3 half-moves
7 Rf8 win in 3 half-moves
8 Ka6 win in 5 half-moves
9 Kb6 win in 5 half-moves
10 Kb7 win in 5 half-moves
11 Ra8 win in 5 half-moves
12 Rh8 win in 11 half-moves
13 Kd5 draw
14 Ke5 draw
15 Kf6 draw
16 Kf7 draw
17 Rg8 draw
18 Kf5 loss in 2 half-moves
19 Rb8 loss in 2 half-moves
20 Rc8 loss in 2 half-moves
21 Rd8 loss in 2 half-moves