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

EGTB: win in 2 half-moves

# move score
1 Rh6 win in 1 half-moves
2 Rc8 loss in 8 half-moves
3 Rc7 loss in 4 half-moves
4 Ka6 loss in 2 half-moves
5 Ka8 loss in 2 half-moves
6 Kb6 loss in 2 half-moves
7 Kb7 loss in 2 half-moves
8 Kb8 loss in 2 half-moves
9 Ra6 loss in 2 half-moves
10 Rb6 loss in 2 half-moves
11 Rc1 loss in 2 half-moves
12 Rc2 loss in 2 half-moves
13 Rc3 loss in 2 half-moves
14 Rc4 loss in 2 half-moves
15 Rc5 loss in 2 half-moves
16 Rd6 loss in 2 half-moves
17 Re6 loss in 1 half-moves
18 Rf6 loss in 1 half-moves
19 Rg6 loss in 1 half-moves