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

EGTB: win in 4 half-moves

# move score
1 Rh6 win in 3 half-moves
2 Kg5 win in 5 half-moves
3 Kg7 win in 5 half-moves
4 Kh7 win in 5 half-moves
5 Ke3 draw
6 Ke4 draw
7 Ke5 draw
8 Kf3 draw
9 Kf5 draw
10 Kg3 draw
11 Kg4 draw
12 Kg8 draw
13 Re6 draw
14 Rf5 draw
15 Rf7 draw
16 Rf8 draw
17 Rg6 draw
18 Ra6 loss in 2 half-moves
19 Rb6 loss in 2 half-moves
20 Rc6 loss in 2 half-moves
21 Rd6 loss in 2 half-moves