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

EGTB: win in 2 half-moves

# move score
1 Ra2 win in 1 half-moves
2 Ka6 win in 9 half-moves
3 Ka8 loss in 2 half-moves
4 Kb5 loss in 2 half-moves
5 Kb8 loss in 2 half-moves
6 Kbb6 loss in 2 half-moves
7 Kbc7 loss in 2 half-moves
8 Kc5 loss in 2 half-moves
9 Kc8 loss in 2 half-moves
10 Kcb6 loss in 2 half-moves
11 Kcc7 loss in 2 half-moves
12 Kd5 loss in 2 half-moves
13 Kd6 loss in 2 half-moves
14 Kd7 loss in 2 half-moves
15 Ra1 loss in 2 half-moves
16 Ra3 loss in 2 half-moves
17 Ra4 loss in 2 half-moves
18 Ra5 loss in 2 half-moves
19 Ra6 loss in 2 half-moves
20 Ra8 loss in 2 half-moves