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 Kd6 draw
3 Ke7 draw
4 Kf6 draw
5 Ra5 draw
6 Ra6 draw
7 Re7 draw
8 Rh7 draw
9 Kd5 loss in 6 half-moves
10 Kd7 loss in 4 half-moves
11 Ke5 loss in 4 half-moves
12 Kf5 loss in 4 half-moves
13 Ra4 loss in 4 half-moves
14 Kf7 loss in 2 half-moves
15 Ra1 loss in 2 half-moves
16 Ra2 loss in 2 half-moves
17 Ra3 loss in 2 half-moves
18 Rb7 loss in 2 half-moves
19 Rc7 loss in 2 half-moves
20 Rd7 loss in 2 half-moves
21 Rf7 loss in 2 half-moves
22 Ra8 loss in 1 half-moves