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 Kb4 draw
3 Kb5 draw
4 Kb6 draw
5 Ra6 draw
6 Rb8 draw
7 Ka4 loss in 8 half-moves
8 Ka6 loss in 8 half-moves
9 Rc8 loss in 6 half-moves
10 Re8 loss in 2 half-moves
11 Rf8 loss in 2 half-moves
12 Rg8 loss in 2 half-moves
13 Rh8 loss in 2 half-moves
14 Rd8 loss in 1 half-moves