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

EGTB: win in 2 half-moves

# move score
1 Rb6 win in 1 half-moves
2 Kg5 draw
3 Kg6 draw
4 Rg6 draw
5 Kg4 loss in 2 half-moves
6 Kh4 loss in 2 half-moves
7 Ra6 loss in 2 half-moves
8 Rc6 loss in 2 half-moves
9 Rd6 loss in 2 half-moves
10 Re6 loss in 2 half-moves
11 Rf6 loss in 2 half-moves
12 Rh7 loss in 2 half-moves
13 Rh8 loss in 2 half-moves