Click on the third or sixth rank to set the en passant target square.

EGTB: win in 4 half-moves

# move score
1 Rf4 win in 3 half-moves
2 Ke7 draw
3 Ke8 draw
4 Kf5 draw
5 Kf6 draw
6 Kf7 draw
7 Kg6 draw
8 Kg7 draw
9 Kg8 draw
10 Kh4 draw
11 Kh5 draw
12 Kh6 draw
13 Ra3 draw
14 Ra5 draw
15 Ra6 draw
16 Ra7 draw
17 Ra8 draw
18 Re4 draw
19 Rg4 draw
20 Rh4 draw
21 Kf4 loss in 2 half-moves
22 Kg4 loss in 2 half-moves
23 Ra1 loss in 2 half-moves
24 Ra2 loss in 2 half-moves
25 Rb4 loss in 2 half-moves
26 Rc4 loss in 2 half-moves
27 Rd4 loss in 2 half-moves