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 14 half-moves
3 Kg8 loss in 14 half-moves
4 Kh6 loss in 14 half-moves
5 Rf8 loss in 14 half-moves
6 Kg6 loss in 12 half-moves
7 Rg7 loss in 10 half-moves
8 Kh8 loss in 6 half-moves
9 Rf3 loss in 4 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 Rf1 loss in 2 half-moves
15 Rf2 loss in 2 half-moves
16 Rf4 loss in 2 half-moves
17 Rf5 loss in 2 half-moves
18 Rf6 loss in 2 half-moves