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