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

EGTB: win in 2 half-moves

# move score
1 Rb7 win in 1 half-moves
2 Rg8 loss in 10 half-moves
3 Kf5 loss in 2 half-moves
4 Kf6 loss in 2 half-moves
5 Kf7 loss in 2 half-moves
6 Kg5 loss in 2 half-moves
7 Kh5 loss in 2 half-moves
8 Kh6 loss in 2 half-moves
9 Kh7 loss in 2 half-moves
10 Ra7 loss in 2 half-moves
11 Rc7 loss in 2 half-moves
12 Rd7 loss in 2 half-moves
13 Re7 loss in 2 half-moves
14 Rf7 loss in 2 half-moves
15 Rh7 loss in 2 half-moves