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

EGTB: win in 2 half-moves

# move score
1 Rc8 win in 1 half-moves
2 Ka7 draw
3 Kb7 draw
4 Kb8 draw
5 Rd8 draw
6 Re2 draw
7 Re3 draw
8 Re4 draw
9 Rb8 loss in 2 half-moves
10 Re1 loss in 2 half-moves
11 Re5 loss in 2 half-moves
12 Re6 loss in 2 half-moves
13 Re7 loss in 2 half-moves
14 Rf8 loss in 2 half-moves
15 Rg8 loss in 2 half-moves
16 Rh8 loss in 2 half-moves