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

EGTB: win in 2 half-moves

# move score
1 Rf3 win in 1 half-moves
2 Rh7 win in 1 half-moves
3 Kb7 loss in 2 half-moves
4 Kb8 loss in 2 half-moves
5 Kc7 loss in 2 half-moves
6 Kcd7 loss in 2 half-moves
7 Kcd8 loss in 2 half-moves
8 Kd6 loss in 2 half-moves
9 Ke6 loss in 2 half-moves
10 Ke8 loss in 2 half-moves
11 Ked7 loss in 2 half-moves
12 Ked8 loss in 2 half-moves
13 Kf6 loss in 2 half-moves
14 Kf8 loss in 2 half-moves
15 Rf1 loss in 2 half-moves
16 Rf2 loss in 2 half-moves
17 Rf4 loss in 2 half-moves
18 Rf5 loss in 2 half-moves
19 Rf6 loss in 2 half-moves
20 Rf8 loss in 2 half-moves
21 Rg7 loss in 2 half-moves