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 Kb6 draw
3 Kb7 draw
4 Kc7 draw
5 Ra1 draw
6 Ra2 draw
7 Ra3 draw
8 Ra5 draw
9 Ra8 draw
10 Kb5 loss in 2 half-moves
11 Kc5 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 Ra7 loss in 2 half-moves
16 Rb6 loss in 2 half-moves