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 Ra7 draw
3 Rb7 draw
4 Rc7 draw
5 Re7 draw
6 Rf1 draw
7 Rf2 draw
8 Rf3 draw
9 Rf4 draw
10 Kf3 loss in 2 half-moves
11 Kf4 loss in 2 half-moves
12 Kf5 loss in 2 half-moves
13 Kg3 loss in 2 half-moves
14 Kg5 loss in 2 half-moves
15 Kh3 loss in 2 half-moves
16 Kh4 loss in 2 half-moves
17 Kh5 loss in 2 half-moves
18 Rd7 loss in 2 half-moves
19 Rf5 loss in 2 half-moves
20 Rf6 loss in 2 half-moves
21 Rg7 loss in 2 half-moves
22 Rh7 loss in 2 half-moves