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

EGTB: win in 4 half-moves

# move score
1 Rg6 win in 3 half-moves
2 K7e7 draw
3 K7e8 draw
4 K7g7 draw
5 K7g8 draw
6 K8e7 draw
7 K8e8 draw
8 K8g7 draw
9 K8g8 draw
10 Ke6 draw
11 Kf6 draw
12 Kg6 draw
13 Ra1 draw
14 Ra5 draw
15 Ra7 draw
16 Ra8 draw
17 Rb6 draw
18 Rf6 draw
19 Rh6 draw
20 Ra2 loss in 2 half-moves
21 Ra3 loss in 2 half-moves
22 Ra4 loss in 2 half-moves
23 Rc6 loss in 2 half-moves
24 Rd6 loss in 2 half-moves
25 Re6 loss in 2 half-moves