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