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

EGTB: win in 2 half-moves

# move score
1 Ra6 win in 1 half-moves
2 Ka3 draw
3 Ka5 draw
4 Kb3 draw
5 Kb4 draw
6 Kb5 draw
7 Ra7 draw
8 Rb8 draw
9 Ra5 loss in 2 half-moves
10 Rd8 loss in 2 half-moves
11 Re8 loss in 2 half-moves
12 Rg8 loss in 2 half-moves
13 Rh8 loss in 2 half-moves
14 Rc8 loss in 1 half-moves
15 Rf8 loss in 1 half-moves