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 Rb7 draw
8 Rc7 draw
9 Rd7 draw
10 Re7 draw
11 Rf1 draw
12 Rf2 draw
13 Rf3 draw
14 Rf5 draw
15 Rf6 draw
16 Rf8 draw
17 Rg7 draw
18 Rh7 draw
19 Ra7 loss in 2 half-moves