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

EGTB: win in 4 half-moves

# move score
1 Rh4 win in 3 half-moves
2 Kg4 win in 7 half-moves
3 Kg5 win in 7 half-moves
4 Kg6 draw
5 Kg7 draw
6 Kg8 draw
7 Kh4 draw
8 Kh6 draw
9 Kh7 draw
10 Ra2 draw
11 Re2 draw
12 Rf2 draw
13 Rg2 draw
14 Rh1 draw
15 Rh3 draw
16 Rb2 loss in 2 half-moves
17 Rc2 loss in 2 half-moves
18 Rd2 loss in 2 half-moves