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 Kf1 draw
3 Kf2 draw
4 Kg2 draw
5 Kh2 draw
6 Ra8 draw
7 Rb8 draw
8 Rc8 draw
9 Re8 draw
10 Rf1 draw
11 Rf3 draw
12 Rf5 draw
13 Rf7 draw
14 Rg8 draw
15 Kh1 loss in 6 half-moves
16 Rd8 loss in 2 half-moves
17 Rf2 loss in 2 half-moves
18 Rf6 loss in 2 half-moves
19 Rh8 loss in 2 half-moves