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 Kg1 draw
3 Kg3 draw
4 Kh2 draw
5 Kh3 draw
6 Re1 draw
7 Rf2 draw
8 Rf8 draw
9 Rg1 draw
10 Rh1 draw
11 Rc1 loss in 8 half-moves
12 Kh1 loss in 4 half-moves
13 Kf2 loss in 2 half-moves
14 Kf3 loss in 2 half-moves
15 Ra1 loss in 2 half-moves
16 Rb1 loss in 2 half-moves
17 Rd1 loss in 2 half-moves
18 Rf3 loss in 2 half-moves
19 Rf5 loss in 2 half-moves
20 Rf6 loss in 2 half-moves
21 Rf7 loss in 2 half-moves