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 Ka5 draw
3 Ka7 draw
4 Kb6 draw
5 Kb7 draw
6 Kd6 draw
7 Kd7 draw
8 Ke5 draw
9 Ke7 draw
10 Kf7 draw
11 Rf5 draw
12 Rf7 draw
13 Rf8 draw
14 Kb5 loss in 2 half-moves
15 Kd5 loss in 2 half-moves
16 Kf5 loss in 2 half-moves
17 Rf1 loss in 2 half-moves
18 Rf2 loss in 2 half-moves
19 Rf3 loss in 2 half-moves
20 Rg6 loss in 2 half-moves
21 Rh6 loss in 2 half-moves