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

EGTB: win in 2 half-moves

# move score
1 Ra5 win in 1 half-moves
2 Ra1 draw
3 Kb2 loss in 2 half-moves
4 Kb3 loss in 2 half-moves
5 Kb4 loss in 2 half-moves
6 Kc2 loss in 2 half-moves
7 Kc4 loss in 2 half-moves
8 Kd2 loss in 2 half-moves
9 Kd3 loss in 2 half-moves
10 Kd4 loss in 2 half-moves
11 Ra2 loss in 2 half-moves
12 Ra4 loss in 2 half-moves
13 Ra8 loss in 2 half-moves
14 Rb3 loss in 2 half-moves
15 Ra6 loss in 1 half-moves
16 Ra7 loss in 1 half-moves