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

EGTB: win in 2 half-moves

# move score
1 Rf6 win in 1 half-moves
2 Kb7 draw
3 Kb8 draw
4 Kc7 draw
5 Kd7 draw
6 Kd8 draw
7 Rg5 draw
8 Rh6 draw
9 Rg8 loss in 4 half-moves
10 Ra6 loss in 2 half-moves
11 Rd6 loss in 2 half-moves
12 Re6 loss in 2 half-moves
13 Rg2 loss in 2 half-moves
14 Rg4 loss in 2 half-moves
15 Rb6 loss in 1 half-moves
16 Rc6 loss in 1 half-moves
17 Rg1 loss in 1 half-moves
18 Rg3 loss in 1 half-moves
19 Rg7 loss in 1 half-moves