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 Rc1 draw
3 Ke7 loss in 2 half-moves
4 Ke8 loss in 2 half-moves
5 Kff7 loss in 2 half-moves
6 Kfg7 loss in 2 half-moves
7 Kgf7 loss in 2 half-moves
8 Kgg7 loss in 2 half-moves
9 Kh7 loss in 2 half-moves
10 Kh8 loss in 2 half-moves
11 Ra1 loss in 2 half-moves
12 Rb1 loss in 2 half-moves
13 Rd1 loss in 2 half-moves
14 Re1 loss in 2 half-moves
15 Rf2 loss in 2 half-moves
16 Rf3 loss in 2 half-moves
17 Rf5 loss in 2 half-moves
18 Rf6 loss in 2 half-moves
19 Rf7 loss in 2 half-moves
20 Rg1 loss in 2 half-moves
21 Rh1 loss in 2 half-moves