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 K7g7 draw
3 K7g8 draw
4 K8g7 draw
5 K8g8 draw
6 Kg6 draw
7 Ra5 draw
8 Rb6 draw
9 Rg6 draw
10 Kh6 loss in 2 half-moves
11 Ra1 loss in 2 half-moves
12 Ra2 loss in 2 half-moves
13 Ra3 loss in 2 half-moves
14 Ra4 loss in 2 half-moves
15 Ra7 loss in 2 half-moves
16 Ra8 loss in 2 half-moves
17 Rc6 loss in 2 half-moves
18 Rd6 loss in 2 half-moves
19 Re6 loss in 2 half-moves
20 Rf6 loss in 2 half-moves