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

EGTB: win in 2 half-moves

# move score
1 Rb1 win in 1 half-moves
2 Rb3 win in 1 half-moves
3 Rb4 win in 1 half-moves
4 Rb5 win in 1 half-moves
5 Rc7 loss in 8 half-moves
6 Rd7 loss in 4 half-moves
7 Rh7 loss in 4 half-moves
8 Ka7 loss in 2 half-moves
9 Kb8 loss in 2 half-moves
10 Ra7 loss in 2 half-moves
11 Rb2 loss in 2 half-moves
12 Rb6 loss in 2 half-moves
13 Rb8 loss in 2 half-moves
14 Re7 loss in 2 half-moves
15 Rf7 loss in 2 half-moves
16 Rg7 loss in 2 half-moves