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

EGTB: win in 2 half-moves

# move score
1 Rg6 win in 1 half-moves
2 Ka6 draw
3 Kb6 draw
4 Kb7 draw
5 Ra6 draw
6 Rb6 draw
7 Rc6 draw
8 Rd6 draw
9 Re7 draw
10 Re8 draw
11 Ka8 loss in 4 half-moves
12 Kb8 loss in 4 half-moves
13 Re4 loss in 4 half-moves
14 Re1 loss in 2 half-moves
15 Re2 loss in 2 half-moves
16 Re3 loss in 2 half-moves
17 Rf6 loss in 2 half-moves
18 Rh6 loss in 2 half-moves
19 Re5 loss in 1 half-moves