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 Kg2 draw
4 Kg3 draw
5 Re8 draw
6 Rf5 draw
7 Rf6 draw
8 Rf7 draw
9 Rg8 draw
10 Rh8 draw
11 Kg1 loss in 4 half-moves
12 Ke1 loss in 2 half-moves
13 Ke2 loss in 2 half-moves
14 Ke3 loss in 2 half-moves
15 Kf3 loss in 2 half-moves
16 Ra8 loss in 2 half-moves
17 Rb8 loss in 2 half-moves
18 Rc8 loss in 2 half-moves
19 Rf3 loss in 2 half-moves
20 Rd8 loss in 1 half-moves