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

EGTB: win in 2 half-moves

# move score
1 Kf6 win in 1 half-moves
2 Rb8 win in 1 half-moves
3 Kd1 loss in 2 half-moves
4 Kd2 loss in 2 half-moves
5 Kd3 loss in 2 half-moves
6 Kd6 loss in 2 half-moves
7 Kd7 loss in 2 half-moves
8 Kd8 loss in 2 half-moves
9 Ke1 loss in 2 half-moves
10 Ke3 loss in 2 half-moves
11 Ke6 loss in 2 half-moves
12 Kf1 loss in 2 half-moves
13 Kf2 loss in 2 half-moves
14 Kf3 loss in 2 half-moves
15 Kf7 loss in 2 half-moves
16 Kf8 loss in 2 half-moves
17 Ra8 loss in 2 half-moves
18 Rc8 loss in 2 half-moves
19 Rd8 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