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

EGTB: win in 6 half-moves

# move score
1 Ka7 win in 5 half-moves
2 Kc5 win in 5 half-moves
3 Kd6 win in 5 half-moves
4 Ra7 win in 5 half-moves
5 Ke6 win in 7 half-moves
6 Rd8 win in 9 half-moves
7 Kc6 win in 11 half-moves
8 Re8 win in 13 half-moves
9 Rf8 win in 15 half-moves
10 Rh8 win in 15 half-moves
11 Kc4 draw
12 Kd4 draw
13 Ke4 draw
14 Ke5 draw
15 Rg8 draw
16 Ka5 loss in 2 half-moves
17 Kb5 loss in 2 half-moves
18 Kb6 loss in 2 half-moves
19 Kb7 loss in 2 half-moves
20 Rb8 loss in 2 half-moves
21 Rc8 loss in 2 half-moves