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

EGTB: win in 2 half-moves

# move score
1 Ra4 win in 1 half-moves
2 Ka6 draw
3 Ka8 draw
4 Kbb6 draw
5 Kbb8 draw
6 Kbc8 draw
7 Kcc8 draw
8 Ra1 draw
9 Ra2 draw
10 Ra6 draw
11 Ra8 draw
12 Kcb6 loss in 2 half-moves
13 Kcb8 loss in 2 half-moves
14 Kd6 loss in 2 half-moves
15 Kd7 loss in 2 half-moves
16 Kd8 loss in 2 half-moves
17 Kbc6 loss in 1 half-moves
18 Kcc6 loss in 1 half-moves
19 Ra3 loss in 1 half-moves
20 Ra5 loss in 1 half-moves