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

EGTB: win in 2 half-moves

# move score
1 Rf7 win in 1 half-moves
2 Kb8 loss in 16 half-moves
3 Rb7 loss in 16 half-moves
4 Rc7 loss in 14 half-moves
5 Re7 loss in 14 half-moves
6 Kd8 loss in 12 half-moves
7 Kd7 loss in 10 half-moves
8 Kc7 loss in 8 half-moves
9 Ra8 loss in 8 half-moves
10 Kb7 loss in 6 half-moves
11 Ra1 loss in 6 half-moves
12 Ra3 loss in 6 half-moves
13 Ra2 loss in 2 half-moves
14 Ra4 loss in 2 half-moves
15 Ra5 loss in 2 half-moves
16 Ra6 loss in 2 half-moves
17 Rd7 loss in 2 half-moves
18 Rg7 loss in 2 half-moves
19 Rh7 loss in 2 half-moves