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 Ke1 draw
3 Ke2 draw
4 Kf2 draw
5 Kg1 draw
6 Kg2 draw
7 Rb8 draw
8 Rc8 draw
9 Rd8 draw
10 Re8 draw
11 Rf2 draw
12 Rf3 draw
13 Rf5 draw
14 Rf6 draw
15 Rg8 draw
16 Rh8 draw
17 Ra8 loss in 2 half-moves
18 Rf7 loss in 2 half-moves