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

EGTB: win in 2 half-moves

# move score
1 Rf8 win in 1 half-moves
2 Kg8 draw
3 Rc4 draw
4 Rc5 draw
5 Rc6 draw
6 Rc7 draw
7 Rd8 draw
8 Re8 draw
9 Rg8 draw
10 Kg7 loss in 2 half-moves
11 Kh7 loss in 2 half-moves
12 Ra8 loss in 2 half-moves
13 Rb8 loss in 2 half-moves
14 Rc1 loss in 2 half-moves
15 Rc2 loss in 2 half-moves
16 Rc3 loss in 2 half-moves