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

EGTB: win in 4 half-moves

# move score
1 Rg8 win in 3 half-moves
2 Kg3 win in 5 half-moves
3 Kh3 win in 5 half-moves
4 Rh6 win in 7 half-moves
5 K4g4 draw
6 K4g5 draw
7 K5g4 draw
8 K5g5 draw
9 Kg6 draw
10 Kh6 draw
11 Rd8 draw
12 Re8 draw
13 Rf8 draw
14 Rh7 draw
15 Ra8 loss in 2 half-moves
16 Rb8 loss in 2 half-moves
17 Rc8 loss in 2 half-moves