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

EGTB: win in 4 half-moves

# move score
1 Ra1 win in 3 half-moves
2 Rd1 win in 3 half-moves
3 Rh4 win in 3 half-moves
4 Kg7 win in 5 half-moves
5 Kg8 win in 5 half-moves
6 Kh6 win in 5 half-moves
7 Kh8 win in 5 half-moves
8 Rg1 loss in 4 half-moves
9 Kg6 loss in 2 half-moves
10 Rb1 loss in 2 half-moves
11 Rc1 loss in 2 half-moves
12 Re1 loss in 2 half-moves
13 Rf1 loss in 2 half-moves
14 Rh2 loss in 2 half-moves
15 Rh3 loss in 2 half-moves
16 Rh5 loss in 2 half-moves
17 Rh6 loss in 2 half-moves