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 Re1 draw
7 Rf5 draw
8 Rf6 draw
9 Rf7 draw
10 Rh1 draw
11 Kg1 loss in 2 half-moves
12 Kg2 loss in 2 half-moves
13 Kg3 loss in 2 half-moves
14 Kh1 loss in 2 half-moves
15 Kh3 loss in 2 half-moves
16 Rf2 loss in 2 half-moves
17 Rf3 loss in 2 half-moves
18 Rf8 loss in 2 half-moves
19 Rg1 loss in 2 half-moves