Click on the third or sixth rank to set the en passant target square.

EGTB: win in 4 half-moves

# move score
1 Rg8 win in 3 half-moves
2 Rh8 win in 3 half-moves
3 Ra4 win in 5 half-moves
4 Ra5 win in 5 half-moves
5 Kg1 draw
6 Kg2 draw
7 Kg3 draw
8 Kg5 draw
9 Kh2 draw
10 Kh3 draw
11 Kh4 draw
12 Kh5 draw
13 Ra6 draw
14 Ra7 draw
15 Re8 draw
16 Rf8 draw
17 Kf3 loss in 2 half-moves
18 Kf4 loss in 2 half-moves
19 Kf5 loss in 2 half-moves
20 Ra1 loss in 2 half-moves
21 Ra2 loss in 2 half-moves
22 Ra3 loss in 2 half-moves
23 Rb8 loss in 2 half-moves
24 Rc8 loss in 2 half-moves
25 Rd8 loss in 2 half-moves