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

EGTB: win in 2 half-moves

# move score
1 Rf4 win in 1 half-moves
2 Kc6 loss in 2 half-moves
3 Kc7 loss in 2 half-moves
4 Kc8 loss in 2 half-moves
5 Kd6 loss in 2 half-moves
6 Kdd8 loss in 2 half-moves
7 Kde7 loss in 2 half-moves
8 Ke6 loss in 2 half-moves
9 Ked8 loss in 2 half-moves
10 Kee7 loss in 2 half-moves
11 Kf8 loss in 2 half-moves
12 Re7 loss in 2 half-moves
13 Rf1 loss in 2 half-moves
14 Rf2 loss in 2 half-moves
15 Rf3 loss in 2 half-moves
16 Rf5 loss in 2 half-moves
17 Rf6 loss in 2 half-moves
18 Rf8 loss in 2 half-moves
19 Rg7 loss in 2 half-moves
20 Rh7 loss in 2 half-moves