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 Kc1 draw
3 Kc2 draw
4 Kd2 draw
5 Ke1 draw
6 Ke2 draw
7 Ke7 draw
8 Ke8 draw
9 Kf7 draw
10 Kg7 draw
11 Kg8 draw
12 Rd3 draw
13 Re3 draw
14 Rf1 draw
15 Rf2 draw
16 Rf5 draw
17 Rf6 draw
18 Rg3 draw
19 Rh3 draw
20 Ra3 loss in 2 half-moves
21 Rb3 loss in 2 half-moves
22 Rc3 loss in 2 half-moves
23 Rf7 loss in 2 half-moves