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 Kb6 draw
4 Kb7 draw
5 Ra8 draw
6 Rd8 draw
7 Re8 draw
8 Rf8 draw
9 Rg4 draw
10 Rg5 draw
11 Rg6 draw
12 Rg7 draw
13 Rh8 draw
14 Ka5 loss in 2 half-moves
15 Kb5 loss in 2 half-moves
16 Rb8 loss in 2 half-moves
17 Rg1 loss in 2 half-moves
18 Rg2 loss in 2 half-moves
19 Rg3 loss in 2 half-moves