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

EGTB: win in 2 half-moves

# move score
1 Ra8 win in 1 half-moves
2 Kb3 loss in 2 half-moves
3 Kb4 loss in 2 half-moves
4 Kc3 loss in 2 half-moves
5 Kd3 loss in 2 half-moves
6 Kd4 loss in 2 half-moves
7 Ra1 loss in 2 half-moves
8 Ra2 loss in 2 half-moves
9 Ra3 loss in 2 half-moves
10 Ra5 loss in 2 half-moves
11 Ra6 loss in 2 half-moves
12 Ra7 loss in 2 half-moves
13 Rb4 loss in 2 half-moves
14 Kb5 loss in 1 half-moves
15 Kc5 loss in 1 half-moves
16 Kd5 loss in 1 half-moves