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 Kd7 draw
3 Kd8 draw
4 Ke7 draw
5 Kf8 draw
6 Ra7 draw
7 Rc7 draw
8 Rb6 loss in 6 half-moves
9 Rb1 loss in 4 half-moves
10 Rb2 loss in 4 half-moves
11 Rb8 loss in 4 half-moves
12 Kf7 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 Rd7 loss in 2 half-moves
17 Re7 loss in 2 half-moves
18 Rf7 loss in 2 half-moves
19 Rh7 loss in 2 half-moves