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 Kd1 draw
3 Kd2 draw
4 Ke2 draw
5 Kf1 draw
6 Kf2 draw
7 Rb8 draw
8 Rc8 draw
9 Rd8 draw
10 Rf1 draw
11 Rf2 draw
12 Rf3 draw
13 Rf5 draw
14 Rf6 draw
15 Rf7 draw
16 Rg8 draw
17 Rh8 draw
18 Ra8 loss in 2 half-moves
19 Re8 loss in 2 half-moves