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 Ke6 draw
3 Ke7 draw
4 Kf6 draw
5 Kg6 draw
6 Ra1 draw
7 Rf2 draw
8 Rf3 draw
9 Rg1 draw
10 Rh1 draw
11 Rc1 loss in 2 half-moves
12 Rd1 loss in 2 half-moves
13 Re1 loss in 2 half-moves
14 Rf5 loss in 2 half-moves
15 Rf6 loss in 2 half-moves
16 Ke8 loss in 1 half-moves
17 Kf8 loss in 1 half-moves
18 Kg7 loss in 1 half-moves
19 Kg8 loss in 1 half-moves
20 Rb1 loss in 1 half-moves