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

EGTB: win in 2 half-moves

# move score
1 Rc6 win in 1 half-moves
2 Ka6 draw
3 Ka8 draw
4 Kb7 draw
5 Kb8 draw
6 Ra6 draw
7 Rb6 draw
8 Rd6 draw
9 Rg6 draw
10 Rh4 draw
11 Rh5 draw
12 Kb6 loss in 2 half-moves
13 Re6 loss in 2 half-moves
14 Rf6 loss in 2 half-moves
15 Rh1 loss in 2 half-moves
16 Rh2 loss in 2 half-moves
17 Rh3 loss in 2 half-moves
18 Rh7 loss in 2 half-moves
19 Rh8 loss in 2 half-moves