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 Ka6 draw
3 Kb6 draw
4 Kb7 draw
5 Kb8 draw
6 Ra8 draw
7 Rb8 draw
8 Re8 draw
9 Rf3 draw
10 Ka8 loss in 32 half-moves
11 Rf2 loss in 14 half-moves
12 Rd8 loss in 2 half-moves
13 Rf1 loss in 2 half-moves
14 Rf5 loss in 2 half-moves
15 Rf6 loss in 2 half-moves
16 Rf7 loss in 2 half-moves
17 Rg8 loss in 2 half-moves
18 Rh8 loss in 2 half-moves
19 Rf4 loss in 1 half-moves