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 Rf8 win in 1 half-moves
3 Kc1 loss in 2 half-moves
4 Kc2 loss in 2 half-moves
5 Kd3 loss in 2 half-moves
6 Kdd2 loss in 2 half-moves
7 Kde1 loss in 2 half-moves
8 Ke3 loss in 2 half-moves
9 Ked2 loss in 2 half-moves
10 Kee1 loss in 2 half-moves
11 Re1 loss in 2 half-moves
12 Rf5 loss in 2 half-moves
13 Rf6 loss in 2 half-moves
14 Rf7 loss in 2 half-moves
15 Rg1 loss in 2 half-moves
16 Rh1 loss in 2 half-moves
17 Kf2 loss in 1 half-moves
18 Kf3 loss in 1 half-moves
19 Rf2 loss in 1 half-moves
20 Rf3 loss in 1 half-moves