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

EGTB: win in 4 half-moves

# move score
1 Rh6 win in 3 half-moves
2 Kf6 win in 7 half-moves
3 Kf7 win in 7 half-moves
4 Kg6 win in 7 half-moves
5 Khg8 win in 7 half-moves
6 Kf8 draw
7 Kgg8 draw
8 Kgh7 draw
9 Kh6 draw
10 Khh7 draw
11 Ra4 draw
12 Rg4 draw
13 Rh5 draw
14 Rh7 draw
15 Rb4 loss in 2 half-moves
16 Rc4 loss in 2 half-moves
17 Rd4 loss in 2 half-moves
18 Re4 loss in 2 half-moves
19 Rf4 loss in 2 half-moves
20 Rh1 loss in 2 half-moves
21 Rh2 loss in 2 half-moves
22 Rh3 loss in 2 half-moves