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 Kd7 draw
3 Kd8 draw
4 Ke7 draw
5 Kf7 draw
6 Kf8 draw
7 Rb5 draw
8 Rc5 draw
9 Rd5 draw
10 Rf1 draw
11 Rf2 draw
12 Rf3 draw
13 Rf6 draw
14 Rf7 draw
15 Rf8 draw
16 Rg5 draw
17 Rh5 draw
18 Ra5 loss in 2 half-moves
19 Re5 loss in 2 half-moves