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 Kf1 draw
3 Kf2 draw
4 Kg2 draw
5 Kg5 draw
6 Kg6 draw
7 Kg7 draw
8 Kh1 draw
9 Kh2 draw
10 Kh5 draw
11 Kh7 draw
12 Ra8 draw
13 Re8 draw
14 Rf8 draw
15 Rg4 draw
16 Rg5 draw
17 Rg6 draw
18 Rh8 draw
19 Rb8 loss in 2 half-moves
20 Rc8 loss in 2 half-moves
21 Rd8 loss in 2 half-moves
22 Rg2 loss in 2 half-moves
23 Rg3 loss in 2 half-moves