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

EGTB: win in 6 half-moves

# move score
1 Kg5 win in 5 half-moves
2 Rg8 win in 5 half-moves
3 Rh8 win in 7 half-moves
4 Kd6 draw
5 Kd7 draw
6 Kd8 draw
7 Ke6 draw
8 Kf6 draw
9 Kf7 draw
10 Kf8 draw
11 Kg3 draw
12 Kg4 draw
13 Kh3 draw
14 Kh5 draw
15 Rc8 draw
16 Rd8 draw
17 Rf8 draw
18 Ra8 loss in 2 half-moves
19 Rb8 loss in 2 half-moves