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

EGTB: win in 4 half-moves

# move score
1 Rf8 win in 3 half-moves
2 Ra8 draw
3 Rb8 draw
4 Rc1 draw
5 Rc3 draw
6 Rc4 draw
7 Rc5 draw
8 Rg8 draw
9 Kf6 loss in 2 half-moves
10 Kf7 loss in 2 half-moves
11 Kf8 loss in 2 half-moves
12 Kg6 loss in 2 half-moves
13 Kgg8 loss in 2 half-moves
14 Kgh7 loss in 2 half-moves
15 Kh6 loss in 2 half-moves
16 Khg8 loss in 2 half-moves
17 Khh7 loss in 2 half-moves
18 Rc2 loss in 2 half-moves
19 Rc6 loss in 2 half-moves
20 Rc7 loss in 2 half-moves
21 Rd8 loss in 2 half-moves
22 Re8 loss in 2 half-moves