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 Kf5 draw
3 Kf6 draw
4 Kf7 draw
5 Ra3 draw
6 Ra4 draw
7 Ra5 draw
8 Rf7 draw
9 Kg1 loss in 2 half-moves
10 Kg2 loss in 2 half-moves
11 Kg3 loss in 2 half-moves
12 Kg5 loss in 2 half-moves
13 Kg7 loss in 2 half-moves
14 Kh1 loss in 2 half-moves
15 Kh3 loss in 2 half-moves
16 Kh5 loss in 2 half-moves
17 Kh6 loss in 2 half-moves
18 Kh7 loss in 2 half-moves
19 Ra1 loss in 2 half-moves
20 Ra2 loss in 2 half-moves
21 Ra6 loss in 2 half-moves
22 Ra8 loss in 2 half-moves
23 Rb7 loss in 2 half-moves
24 Rc7 loss in 2 half-moves
25 Rd7 loss in 2 half-moves
26 Re7 loss in 2 half-moves
27 Rh7 loss in 2 half-moves