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

EGTB: win in 4 half-moves

# move score
1 Rg7 win in 3 half-moves
2 Kd7 draw
3 Kd8 draw
4 Rb1 draw
5 Rb2 draw
6 Rd7 draw
7 Ke7 loss in 2 half-moves
8 Kf3 loss in 2 half-moves
9 Kf4 loss in 2 half-moves
10 Kf5 loss in 2 half-moves
11 Kf7 loss in 2 half-moves
12 Kf8 loss in 2 half-moves
13 Kg3 loss in 2 half-moves
14 Kg5 loss in 2 half-moves
15 Kh3 loss in 2 half-moves
16 Kh4 loss in 2 half-moves
17 Kh5 loss in 2 half-moves
18 Ra7 loss in 2 half-moves
19 Rb3 loss in 2 half-moves
20 Rb4 loss in 2 half-moves
21 Rb5 loss in 2 half-moves
22 Rb6 loss in 2 half-moves
23 Rb8 loss in 2 half-moves
24 Rc7 loss in 2 half-moves
25 Re7 loss in 2 half-moves
26 Rf7 loss in 2 half-moves
27 Rh7 loss in 2 half-moves