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

EGTB: win in 4 half-moves

# move score
1 Rh5 win in 3 half-moves
2 Ra1 draw
3 Rb1 draw
4 Rd1 draw
5 Rh4 draw
6 Kf5 loss in 2 half-moves
7 Kf6 loss in 2 half-moves
8 Kf7 loss in 2 half-moves
9 Kgg5 loss in 2 half-moves
10 Kgg7 loss in 2 half-moves
11 Kgh5 loss in 2 half-moves
12 Kgh7 loss in 2 half-moves
13 Khg5 loss in 2 half-moves
14 Khg7 loss in 2 half-moves
15 Khh5 loss in 2 half-moves
16 Khh7 loss in 2 half-moves
17 Rc1 loss in 2 half-moves
18 Re1 loss in 2 half-moves
19 Rf1 loss in 2 half-moves
20 Rg1 loss in 2 half-moves
21 Rh2 loss in 2 half-moves
22 Rh3 loss in 2 half-moves