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

EGTB: win in 2 half-moves

# move score
1 Rb8 win in 1 half-moves
2 Rf4 win in 1 half-moves
3 Kf1 loss in 2 half-moves
4 Kf2 loss in 2 half-moves
5 Kf7 loss in 2 half-moves
6 Kg2 loss in 2 half-moves
7 Kg7 loss in 2 half-moves
8 Kh1 loss in 2 half-moves
9 Kh2 loss in 2 half-moves
10 Kh7 loss in 2 half-moves
11 Kh8 loss in 2 half-moves
12 Ra8 loss in 2 half-moves
13 Rc8 loss in 2 half-moves
14 Rd8 loss in 2 half-moves
15 Re8 loss in 2 half-moves
16 Rf1 loss in 2 half-moves
17 Rf2 loss in 2 half-moves
18 Rf3 loss in 2 half-moves
19 Rf5 loss in 2 half-moves
20 Rf6 loss in 2 half-moves
21 Rf7 loss in 2 half-moves