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

EGTB: win in 2 half-moves

# move score
1 Rg7 win in 1 half-moves
2 Ka7 loss in 10 half-moves
3 Kb7 loss in 10 half-moves
4 Kc7 loss in 8 half-moves
5 Rf8 loss in 8 half-moves
6 Ka8 loss in 6 half-moves
7 Kc8 loss in 6 half-moves
8 Rh7 loss in 6 half-moves
9 Rf6 loss in 4 half-moves
10 Ra7 loss in 2 half-moves
11 Rb7 loss in 2 half-moves
12 Rc7 loss in 2 half-moves
13 Rd7 loss in 2 half-moves
14 Re7 loss in 2 half-moves
15 Rf2 loss in 2 half-moves
16 Rf3 loss in 2 half-moves
17 Rf4 loss in 2 half-moves
18 Rf5 loss in 2 half-moves
19 Rf1 loss in 1 half-moves