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

EGTB: win in 4 half-moves

# move score
1 Kf7 win in 3 half-moves
2 Kg5 win in 3 half-moves
3 Kg7 win in 3 half-moves
4 Kh5 win in 3 half-moves
5 Rh5 win in 3 half-moves
6 Rh7 win in 3 half-moves
7 Rg6 win in 7 half-moves
8 Ke7 win in 15 half-moves
9 Rh8 win in 19 half-moves
10 Ke8 draw
11 Kg3 draw
12 Kg4 draw
13 Kg8 draw
14 Kh3 draw
15 Rb6 draw
16 Rf6 draw
17 Ra6 loss in 2 half-moves
18 Rc6 loss in 2 half-moves
19 Rd6 loss in 2 half-moves
20 Re6 loss in 2 half-moves