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 Rb7 win in 1 half-moves
3 Ka5 loss in 2 half-moves
4 Rc7 loss in 2 half-moves
5 Rd7 loss in 2 half-moves
6 Re7 loss in 2 half-moves
7 Rf7 loss in 2 half-moves
8 Rg7 loss in 2 half-moves
9 Rh7 loss in 2 half-moves
10 Kb5 loss in 1 half-moves
11 Kb6 loss in 1 half-moves
12 Kb7 loss in 1 half-moves