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

EGTB: win in 4 half-moves

# move score
1 Rf7 win in 3 half-moves
2 Nb6 loss in 4 half-moves
3 g3 loss in 2 half-moves
4 g4 loss in 2 half-moves
5 Na7 loss in 2 half-moves
6 Nd6 loss in 2 half-moves
7 Ne7 loss in 2 half-moves
8 Ra7 loss in 2 half-moves
9 Rb1 loss in 2 half-moves
10 Rb2 loss in 2 half-moves
11 Rb4 loss in 2 half-moves
12 Rb5 loss in 2 half-moves
13 Rb6 loss in 2 half-moves
14 Rb8 loss in 2 half-moves
15 Rc7 loss in 2 half-moves
16 Rd7 loss in 2 half-moves
17 Re7 loss in 2 half-moves
18 Rh7 loss in 2 half-moves
19 Rb3 loss in 1 half-moves
20 Rg7 loss in 1 half-moves