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 Kd5 draw
3 Ke5 draw
4 Ke6 draw
5 Ke7 draw
6 Ra3 draw
7 Ra6 draw
8 Ra7 draw
9 Ra8 draw
10 Rb4 draw
11 Rg4 draw
12 Rh4 draw
13 Kc6 loss in 28 half-moves
14 Kd7 loss in 26 half-moves
15 Kc7 loss in 20 half-moves
16 Kc5 loss in 10 half-moves
17 Ra1 loss in 2 half-moves
18 Ra2 loss in 2 half-moves
19 Ra5 loss in 2 half-moves
20 Rc4 loss in 2 half-moves
21 Rd4 loss in 2 half-moves
22 Re4 loss in 2 half-moves