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

EGTB: win in 2 half-moves

# move score
1 Ka7 win in 1 half-moves
2 Rf6 win in 1 half-moves
3 Rf7 win in 1 half-moves
4 Kb8 draw
5 Kb7 loss in 2 half-moves
6 Ke4 loss in 1 half-moves
7 Ke5 loss in 1 half-moves
8 Ke6 loss in 1 half-moves
9 Kf4 loss in 1 half-moves
10 Kf6 loss in 1 half-moves
11 Kg4 loss in 1 half-moves
12 Kg5 loss in 1 half-moves
13 Kg6 loss in 1 half-moves
14 Rb8 loss in 1 half-moves
15 Rc8 loss in 1 half-moves
16 Rd8 loss in 1 half-moves
17 Re8 loss in 1 half-moves
18 Rg8 loss in 1 half-moves
19 Rh8 loss in 1 half-moves