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

EGTB: win in 4 half-moves

# move score
1 K7g8 win in 3 half-moves
2 Kg6 win in 3 half-moves
3 Kh6 win in 3 half-moves
4 K7g7 draw
5 K8g7 draw
6 K8g8 draw
7 Ra6 draw
8 Rb6 draw
9 Rc6 draw
10 Rd6 draw
11 Re4 draw
12 Re5 draw
13 Re7 draw
14 Re8 draw
15 Rf6 draw
16 Re1 loss in 1 half-moves
17 Re2 loss in 1 half-moves
18 Re3 loss in 1 half-moves
19 Rg6 loss in 1 half-moves
20 Rh6 loss in 1 half-moves