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 Ka7 draw
3 Kb7 draw
4 Kb8 draw
5 Ra6 draw
6 Rb6 draw
7 Rd6 draw
8 Re6 draw
9 Rf3 draw
10 Rf5 draw
11 Rf7 draw
12 Rf8 draw
13 Rf4 loss in 4 half-moves
14 Rf1 loss in 2 half-moves
15 Rf2 loss in 2 half-moves
16 Rg6 loss in 2 half-moves
17 Rh6 loss in 2 half-moves