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 Ka4 draw
3 Kb4 draw
4 Kb5 draw
5 Kb6 draw
6 Ra7 draw
7 Re6 draw
8 Rh6 draw
9 Ra8 loss in 2 half-moves
10 Rb6 loss in 2 half-moves
11 Rc6 loss in 2 half-moves
12 Rd6 loss in 2 half-moves
13 Rf6 loss in 2 half-moves