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

EGTB: win in 4 half-moves

# move score
1 Ra7 win in 3 half-moves
2 Kd8 draw
3 Kef7 draw
4 Kff7 draw
5 Kg7 draw
6 Kg8 draw
7 Ra1 draw
8 Ra2 draw
9 Ra3 draw
10 Kd7 loss in 2 half-moves
11 Kee7 loss in 2 half-moves
12 Kfe7 loss in 2 half-moves
13 Ra4 loss in 2 half-moves
14 Ra5 loss in 2 half-moves
15 Ra6 loss in 2 half-moves
16 Rb8 loss in 2 half-moves
17 Rc8 loss in 2 half-moves
18 Rd8 loss in 2 half-moves