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 Kf7 win in 1 half-moves
3 Rb1 win in 1 half-moves
4 Ra8 draw
5 Kc1 loss in 2 half-moves
6 Kc2 loss in 2 half-moves
7 Kd2 loss in 2 half-moves
8 Kd5 loss in 2 half-moves
9 Kd6 loss in 2 half-moves
10 Kd7 loss in 2 half-moves
11 Ke1 loss in 2 half-moves
12 Ke2 loss in 2 half-moves
13 Ke5 loss in 2 half-moves
14 Ke7 loss in 2 half-moves
15 Kf5 loss in 2 half-moves
16 Ra2 loss in 2 half-moves
17 Ra3 loss in 2 half-moves
18 Ra4 loss in 2 half-moves
19 Ra5 loss in 2 half-moves
20 Ra6 loss in 2 half-moves
21 Ra7 loss in 2 half-moves
22 Rc1 loss in 2 half-moves