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

EGTB: win in 2 half-moves

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