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 Kb5 loss in 2 half-moves
3 Kb6 loss in 2 half-moves
4 Kd5 loss in 2 half-moves
5 Kd6 loss in 2 half-moves
6 Ra6 loss in 2 half-moves
7 Rb6 loss in 2 half-moves
8 Rc7 loss in 2 half-moves
9 Rc8 loss in 2 half-moves
10 Rd6 loss in 2 half-moves
11 Re6 loss in 2 half-moves
12 Rf6 loss in 2 half-moves
13 Rh6 loss in 2 half-moves
14 Kb4 loss in 1 half-moves
15 Kc4 loss in 1 half-moves
16 Kd4 loss in 1 half-moves