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 Kb8 draw
4 Rd8 draw
5 Re8 draw
6 Rf8 draw
7 Rg5 draw
8 Rg6 draw
9 Rg7 draw
10 Rh8 draw
11 Rg1 loss in 4 half-moves
12 Kb7 loss in 2 half-moves
13 Rb8 loss in 2 half-moves
14 Rg2 loss in 2 half-moves
15 Rg3 loss in 2 half-moves
16 Rg4 loss in 2 half-moves