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 Ke1 draw
3 Ke2 draw
4 Kf1 draw
5 Kf3 draw
6 Kg1 draw
7 Kg2 draw
8 Kg3 draw
9 Ra5 draw
10 Rc5 draw
11 Rd5 draw
12 Rf3 draw
13 Rf6 draw
14 Rf7 draw
15 Rf8 draw
16 Rg5 draw
17 Rh5 draw
18 Ke3 loss in 2 half-moves
19 Rb5 loss in 2 half-moves
20 Re5 loss in 2 half-moves