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 Kc4 draw
3 Kc5 draw
4 Ke4 draw
5 Ke5 draw
6 Ke6 draw
7 Rd1 draw
8 Rd2 draw
9 Rd3 draw
10 Kc6 loss in 2 half-moves
11 Kd6 loss in 2 half-moves
12 Ra4 loss in 2 half-moves
13 Rb4 loss in 2 half-moves
14 Rc4 loss in 2 half-moves
15 Re4 loss in 2 half-moves
16 Rg4 loss in 2 half-moves
17 Rh4 loss in 2 half-moves