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 Kh6 loss in 12 half-moves
3 Rh6 loss in 12 half-moves
4 Kf7 loss in 10 half-moves
5 Kh7 loss in 10 half-moves
6 Kf6 loss in 6 half-moves
7 Kf8 loss in 4 half-moves
8 Kg8 loss in 4 half-moves
9 Kh8 loss in 4 half-moves
10 Ra6 loss in 2 half-moves
11 Rc6 loss in 2 half-moves
12 Rd6 loss in 2 half-moves
13 Re6 loss in 2 half-moves
14 Rf6 loss in 2 half-moves
15 Rg1 loss in 2 half-moves
16 Rg2 loss in 2 half-moves
17 Rg3 loss in 2 half-moves
18 Rg4 loss in 2 half-moves
19 Rg5 loss in 2 half-moves