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 Kg7 loss in 10 half-moves
3 Kh7 loss in 10 half-moves
4 Rc8 loss in 8 half-moves
5 Kg8 loss in 6 half-moves
6 Ra7 loss in 6 half-moves
7 Rc6 loss in 4 half-moves
8 Rc2 loss in 2 half-moves
9 Rc3 loss in 2 half-moves
10 Rc4 loss in 2 half-moves
11 Rc5 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 Rg7 loss in 2 half-moves
16 Rh7 loss in 2 half-moves
17 Rc1 loss in 1 half-moves