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 Ra1 draw
3 Rb1 draw
4 Rc1 draw
5 Rd1 draw
6 Rf5 draw
7 Rf6 draw
8 Rf7 draw
9 Rg1 draw
10 Rh1 draw
11 Ke7 loss in 2 half-moves
12 Ke8 loss in 2 half-moves
13 Kf7 loss in 2 half-moves
14 Kg7 loss in 2 half-moves
15 Kg8 loss in 2 half-moves
16 Re1 loss in 2 half-moves
17 Rf2 loss in 2 half-moves
18 Rf3 loss in 2 half-moves