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 Rg4 win in 1 half-moves
3 Ra1 draw
4 Ra6 draw
5 Ra7 draw
6 Ra8 draw
7 Rc4 draw
8 Re4 draw
9 Kf6 loss in 2 half-moves
10 Kf7 loss in 2 half-moves
11 Kf8 loss in 2 half-moves
12 Kg6 loss in 2 half-moves
13 Kg8 loss in 2 half-moves
14 Kh6 loss in 2 half-moves
15 Kh7 loss in 2 half-moves
16 Kh8 loss in 2 half-moves
17 Ra2 loss in 2 half-moves
18 Ra3 loss in 2 half-moves
19 Rb4 loss in 2 half-moves
20 Rd4 loss in 2 half-moves
21 Rh4 loss in 2 half-moves
22 Ra5 loss in 1 half-moves