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 Kf3 draw
4 Kg1 draw
5 Kg2 draw
6 Kg3 draw
7 Rc5 draw
8 Rd5 draw
9 Re5 draw
10 Rf3 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 Ra5 loss in 2 half-moves
19 Rb5 loss in 2 half-moves
20 Rf6 loss in 2 half-moves