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

EGTB: win in 2 half-moves

# move score
1 Ra8 win in 1 half-moves
2 Ka4 draw
3 Ra7 draw
4 Rb6 draw
5 Rc6 draw
6 Rd6 draw
7 Re6 draw
8 Rf6 draw
9 Rg6 draw
10 Rh6 draw
11 Kb4 loss in 2 half-moves
12 Kb5 loss in 2 half-moves
13 Kb6 loss in 2 half-moves