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

EGTB: win in 4 half-moves

# move score
1 Kg6 win in 3 half-moves
2 Kh6 win in 3 half-moves
3 Kg4 win in 9 half-moves
4 Kg5 win in 9 half-moves
5 Rg8 win in 11 half-moves
6 Rh8 win in 13 half-moves
7 Re6 win in 17 half-moves
8 Kc7 draw
9 Kc8 draw
10 Kd7 draw
11 Ke7 draw
12 Kh4 draw
13 Re3 draw
14 Re4 draw
15 Re5 draw
16 Re7 draw
17 Rf8 draw
18 Re1 loss in 2 half-moves
19 Re2 loss in 2 half-moves