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 Kd7 draw
3 Kd8 draw
4 Kf8 draw
5 Rb6 draw
6 Rd6 draw
7 Re6 draw
8 Rf7 draw
9 Rf8 loss in 4 half-moves
10 Ke7 loss in 2 half-moves
11 Kf7 loss in 2 half-moves
12 Ra6 loss in 2 half-moves
13 Rc6 loss in 2 half-moves
14 Rf1 loss in 2 half-moves
15 Rf2 loss in 2 half-moves
16 Rf3 loss in 2 half-moves
17 Rf5 loss in 2 half-moves
18 Rg6 loss in 2 half-moves
19 Rh6 loss in 2 half-moves