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

EGTB: win in 2 half-moves

# move score
1 Rb4 win in 1 half-moves
2 Rg7 loss in 8 half-moves
3 Rh7 loss in 8 half-moves
4 Rb5 loss in 4 half-moves
5 Rb6 loss in 4 half-moves
6 Rb8 loss in 4 half-moves
7 Nb3 loss in 2 half-moves
8 Nc2 loss in 2 half-moves
9 Ra7 loss in 2 half-moves
10 Rb1 loss in 2 half-moves
11 Rb2 loss in 2 half-moves
12 Rb3 loss in 2 half-moves
13 Rc7 loss in 2 half-moves
14 Rd7 loss in 2 half-moves
15 Re7 loss in 2 half-moves
16 Rf7 loss in 2 half-moves