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 Kd8 draw
3 Kf7 draw
4 Kf8 draw
5 Ra5 draw
6 Ra6 draw
7 Rb7 draw
8 Rf7 draw
9 Ra4 loss in 6 half-moves
10 Kd7 loss in 4 half-moves
11 Ke7 loss in 4 half-moves
12 Ra8 loss in 4 half-moves
13 Ra1 loss in 2 half-moves
14 Ra2 loss in 2 half-moves
15 Ra3 loss in 2 half-moves
16 Rc7 loss in 2 half-moves
17 Rd7 loss in 2 half-moves
18 Re7 loss in 2 half-moves
19 Rh7 loss in 2 half-moves