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 Ra6 draw
4 Rb6 draw
5 Rf8 draw
6 Rg6 draw
7 Rh6 draw
8 Kf7 loss in 12 half-moves
9 Ke8 loss in 8 half-moves
10 Kd8 loss in 6 half-moves
11 Ke6 loss in 6 half-moves
12 Rf7 loss in 6 half-moves
13 Kd6 loss in 4 half-moves
14 Kf8 loss in 4 half-moves
15 Rc6 loss in 2 half-moves
16 Rd6 loss in 2 half-moves
17 Re6 loss in 2 half-moves
18 Rf1 loss in 2 half-moves
19 Rf2 loss in 2 half-moves
20 Rf3 loss in 2 half-moves
21 Rf5 loss in 2 half-moves