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

EGTB: win in 4 half-moves

# move score
1 Kf5 win in 3 half-moves
2 Kgg5 win in 3 half-moves
3 Kgh5 win in 3 half-moves
4 Khg5 win in 3 half-moves
5 Khh5 win in 3 half-moves
6 Rh5 win in 3 half-moves
7 Khg3 win in 7 half-moves
8 Kf3 draw
9 Kf4 draw
10 Kgg3 draw
11 Kgh3 draw
12 Khh3 draw
13 Ra6 draw
14 Re6 draw
15 Rf6 draw
16 Rg6 draw
17 Rh7 draw
18 Rh8 draw
19 Rb6 loss in 2 half-moves
20 Rc6 loss in 2 half-moves
21 Rd6 loss in 2 half-moves