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

EGTB: win in 4 half-moves

# move score
1 Rh3 win in 3 half-moves
2 Rb8 draw
3 Re8 draw
4 Rf8 draw
5 Rg8 draw
6 Rh2 draw
7 Rh4 draw
8 Rh5 draw
9 Ke1 loss in 2 half-moves
10 Ke2 loss in 2 half-moves
11 Ke3 loss in 2 half-moves
12 Kf1 loss in 2 half-moves
13 Kf3 loss in 2 half-moves
14 Kfg1 loss in 2 half-moves
15 Kfg2 loss in 2 half-moves
16 Kg3 loss in 2 half-moves
17 Kh2 loss in 2 half-moves
18 Khg1 loss in 2 half-moves
19 Khg2 loss in 2 half-moves
20 Ra8 loss in 2 half-moves
21 Rc8 loss in 2 half-moves
22 Rd8 loss in 2 half-moves
23 Rh6 loss in 2 half-moves
24 Rh7 loss in 2 half-moves