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 Kb3 draw
3 Kd3 draw
4 Ra2 draw
5 Rb4 draw
6 Kb2 loss in 8 half-moves
7 Kc2 loss in 4 half-moves
8 Kd2 loss in 4 half-moves
9 Ra1 loss in 4 half-moves
10 Ra3 loss in 4 half-moves
11 Ra8 loss in 4 half-moves
12 Kb4 loss in 2 half-moves
13 Kc4 loss in 2 half-moves
14 Kd4 loss in 2 half-moves
15 Ra5 loss in 2 half-moves
16 Ra6 loss in 2 half-moves
17 Ra7 loss in 2 half-moves
18 Rc4 loss in 2 half-moves
19 Rd4 loss in 2 half-moves
20 Re4 loss in 2 half-moves
21 Rg4 loss in 2 half-moves
22 Rh4 loss in 2 half-moves