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

EGTB: win in 2 half-moves

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