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