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 Rf1 draw
7 Rf6 draw
8 Rf7 draw
9 Rg8 draw
10 Rh8 draw
11 Rf2 loss in 4 half-moves
12 Kb7 loss in 2 half-moves
13 Rb8 loss in 2 half-moves
14 Rf3 loss in 2 half-moves
15 Rf4 loss in 2 half-moves
16 Rf5 loss in 2 half-moves