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

EGTB: win in 4 half-moves

# move score
1 Kg7 win in 3 half-moves
2 Kh7 win in 3 half-moves
3 Rh7 win in 3 half-moves
4 Khg5 win in 7 half-moves
5 Khg6 win in 7 half-moves
6 Rg8 win in 7 half-moves
7 Ke4 draw
8 Ke5 draw
9 Ke6 draw
10 Kf4 draw
11 Kf6 draw
12 Kfg5 draw
13 Kfg6 draw
14 Kg4 draw
15 Kh5 draw
16 Ra8 draw
17 Re8 draw
18 Rf8 draw
19 Rb8 loss in 2 half-moves
20 Rc8 loss in 2 half-moves
21 Rd8 loss in 2 half-moves