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

EGTB: win in 4 half-moves

# move score
1 Kd6 win in 3 half-moves
2 Ke6 win in 3 half-moves
3 Kf6 win in 3 half-moves
4 Kf7 win in 3 half-moves
5 Kg4 win in 3 half-moves
6 Rh6 win in 9 half-moves
7 Rh8 win in 11 half-moves
8 Kd7 draw
9 Kd8 draw
10 Ke8 draw
11 Kf8 draw
12 Kg5 draw
13 Rb5 draw
14 Rh7 draw
15 Kg3 loss in 2 half-moves
16 Kh3 loss in 2 half-moves
17 Ra5 loss in 2 half-moves
18 Rc5 loss in 2 half-moves
19 Rd5 loss in 2 half-moves
20 Re5 loss in 2 half-moves
21 Rf5 loss in 2 half-moves
22 Rg5 loss in 2 half-moves