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 Rf7 draw
3 Ka7 loss in 2 half-moves
4 Ka8 loss in 2 half-moves
5 Kbc7 loss in 2 half-moves
6 Kbc8 loss in 2 half-moves
7 Kdc7 loss in 2 half-moves
8 Kdc8 loss in 2 half-moves
9 Ke8 loss in 2 half-moves
10 Ra7 loss in 2 half-moves
11 Rb1 loss in 2 half-moves
12 Rb2 loss in 2 half-moves
13 Rb3 loss in 2 half-moves
14 Rb4 loss in 2 half-moves
15 Rb5 loss in 2 half-moves
16 Rb6 loss in 2 half-moves
17 Rc7 loss in 2 half-moves
18 Rh7 loss in 2 half-moves
19 Kd7 loss in 1 half-moves
20 Ke7 loss in 1 half-moves
21 Rd7 loss in 1 half-moves
22 Re7 loss in 1 half-moves