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 Kd4 draw
4 Kd6 draw
5 Ke4 draw
6 Ke5 draw
7 Rc4 draw
8 Rd4 draw
9 Re4 draw
10 Rg4 draw
11 Rh1 draw
12 Rh3 draw
13 Rh5 draw
14 Rh7 draw
15 Ke6 loss in 22 half-moves
16 Kc5 loss in 2 half-moves
17 Kc6 loss in 2 half-moves
18 Ra4 loss in 2 half-moves
19 Rb4 loss in 2 half-moves
20 Rh6 loss in 2 half-moves
21 Rh8 loss in 2 half-moves
22 Rh2 loss in 1 half-moves