Click on the third or sixth rank to set the en passant target square.

EGTB: win in 4 half-moves

# move score
1 Rd7 win in 3 half-moves
2 Kb6 draw
3 Kb7 draw
4 Kb8 draw
5 Kc6 draw
6 Kc8 draw
7 Kd6 draw
8 Kd8 draw
9 Rf6 draw
10 Rf8 draw
11 Kd7 loss in 4 half-moves
12 Rf5 loss in 4 half-moves
13 Rh7 loss in 4 half-moves
14 Re7 loss in 2 half-moves
15 Rf1 loss in 2 half-moves
16 Rf2 loss in 2 half-moves
17 Rf3 loss in 2 half-moves
18 Rg7 loss in 2 half-moves
19 Rf4 loss in 1 half-moves