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 Kg2 draw
3 Kg3 draw
4 Kg4 draw
5 Ra4 draw
6 Rb4 draw
7 Rc4 draw
8 Rd4 draw
9 Re4 draw
10 Rg4 draw
11 Kd7 loss in 1 half-moves
12 Kd8 loss in 1 half-moves
13 Ke7 loss in 1 half-moves
14 Kf7 loss in 1 half-moves
15 Kf8 loss in 1 half-moves
16 Kh2 loss in 1 half-moves
17 Rh5 loss in 1 half-moves
18 Rh6 loss in 1 half-moves
19 Rh7 loss in 1 half-moves
20 Rh8 loss in 1 half-moves