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 Kg4 win in 7 half-moves
3 Kg5 win in 7 half-moves
4 Rf1 win in 7 half-moves
5 Kg3 draw
6 Kh3 draw
7 Kh5 draw
8 Kh7 draw
9 Rb1 draw
10 Rd1 draw
11 Rg1 draw
12 Rh2 draw
13 Kg7 loss in 2 half-moves
14 Kg8 loss in 2 half-moves
15 Ra1 loss in 2 half-moves
16 Rc1 loss in 2 half-moves
17 Re1 loss in 2 half-moves