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 Kg1 draw
4 Kg2 draw
5 Kg3 draw
6 Kg7 draw
7 Kg8 draw
8 Kh7 draw
9 Ra5 draw
10 Rf6 draw
11 Rf7 draw
12 Rf8 draw
13 Rg5 draw
14 Rh5 draw
15 Ke1 loss in 2 half-moves
16 Ke2 loss in 2 half-moves
17 Ke3 loss in 2 half-moves
18 Kf3 loss in 2 half-moves
19 Rb5 loss in 2 half-moves
20 Rc5 loss in 2 half-moves
21 Rd5 loss in 2 half-moves
22 Re5 loss in 2 half-moves
23 Rf3 loss in 2 half-moves