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 Kd6 draw
3 Kd7 draw
4 Kd8 draw
5 Ke6 draw
6 Ke8 draw
7 Kf6 draw
8 Kf7 draw
9 Kf8 draw
10 Rb3 draw
11 Rc3 draw
12 Rd3 draw
13 Rf1 draw
14 Rf2 draw
15 Rf5 draw
16 Rf6 draw
17 Rf7 draw
18 Rf8 draw
19 Rg3 draw
20 Rh3 draw
21 Ra3 loss in 2 half-moves
22 Re3 loss in 2 half-moves