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

EGTB: win in 6 half-moves

# move score
1 Rd7 win in 5 half-moves
2 Kb6 draw
3 Kc6 draw
4 Kd6 draw
5 Rf6 draw
6 Rh7 draw
7 Kb7 loss in 2 half-moves
8 Kb8 loss in 2 half-moves
9 Kc8 loss in 2 half-moves
10 Kd7 loss in 2 half-moves
11 Kd8 loss in 2 half-moves
12 Ke4 loss in 2 half-moves
13 Ke5 loss in 2 half-moves
14 Kf4 loss in 2 half-moves
15 Kg4 loss in 2 half-moves
16 Kg5 loss in 2 half-moves
17 Re7 loss in 2 half-moves
18 Rf8 loss in 2 half-moves
19 Rg7 loss in 2 half-moves
20 Ke6 loss in 1 half-moves
21 Kf6 loss in 1 half-moves
22 Kg6 loss in 1 half-moves