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 Kb8 draw
3 Kc7 draw
4 Kd8 draw
5 Rf1 draw
6 Rf2 draw
7 Rf3 draw
8 Rf5 draw
9 Rf6 draw
10 Rf7 draw
11 Kb7 loss in 2 half-moves
12 Kd7 loss in 2 half-moves
13 Kg2 loss in 1 half-moves
14 Kg3 loss in 1 half-moves
15 Kg4 loss in 1 half-moves
16 Kh2 loss in 1 half-moves
17 Kh4 loss in 1 half-moves
18 Rd8 loss in 1 half-moves
19 Re8 loss in 1 half-moves
20 Rg8 loss in 1 half-moves
21 Rh8 loss in 1 half-moves