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

EGTB: win in 4 half-moves

# move score
1 Ra8 win in 3 half-moves
2 Kb8 win in 5 half-moves
3 Kd6 win in 5 half-moves
4 Rb8 win in 13 half-moves
5 Ka6 draw
6 Ka7 draw
7 Ka8 draw
8 Kb6 draw
9 Kbc6 draw
10 Kbc7 draw
11 Kbc8 draw
12 Kdc6 draw
13 Kdc7 draw
14 Kdc8 draw
15 Rc8 draw
16 Ke6 loss in 2 half-moves
17 Ke7 loss in 2 half-moves
18 Ke8 loss in 2 half-moves
19 Re8 loss in 2 half-moves
20 Rf8 loss in 2 half-moves
21 Rg8 loss in 2 half-moves
22 Rh8 loss in 2 half-moves