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 Ke3 draw
5 Kf1 draw
6 Kf3 draw
7 Kg1 draw
8 Kg2 draw
9 Kg3 draw
10 Ra6 draw
11 Rb6 draw
12 Rc6 draw
13 Rd6 draw
14 Re6 draw
15 Rf3 draw
16 Rf5 draw
17 Rf7 loss in 2 half-moves
18 Rf8 loss in 2 half-moves
19 Rg6 loss in 2 half-moves
20 Rh6 loss in 2 half-moves