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 Kb2 draw
3 Kb3 draw
4 Kb4 draw
5 Ra5 draw
6 Rb4 loss in 12 half-moves
7 Ka2 loss in 6 half-moves
8 Ra6 loss in 2 half-moves
9 Ra7 loss in 2 half-moves
10 Ra8 loss in 2 half-moves
11 Rc4 loss in 2 half-moves
12 Rd4 loss in 2 half-moves
13 Re4 loss in 2 half-moves
14 Rg4 loss in 2 half-moves
15 Rh4 loss in 2 half-moves