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 Kf4 draw
3 Kf6 draw
4 Kfg4 draw
5 Kfg5 draw
6 Kg3 draw
7 Kg6 draw
8 Kh3 draw
9 Kh5 draw
10 Khg4 draw
11 Khg5 draw
12 Ra1 draw
13 Ra8 draw
14 Rf7 draw
15 Rh7 draw
16 Ke4 loss in 2 half-moves
17 Ke5 loss in 2 half-moves
18 Ke6 loss in 2 half-moves
19 Ra2 loss in 2 half-moves
20 Ra3 loss in 2 half-moves
21 Ra4 loss in 2 half-moves
22 Ra5 loss in 2 half-moves
23 Ra6 loss in 2 half-moves
24 Rb7 loss in 2 half-moves
25 Rc7 loss in 2 half-moves
26 Rd7 loss in 2 half-moves
27 Re7 loss in 2 half-moves