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 Kb3 draw
3 Kb4 draw
4 Kb6 draw
5 Kb7 draw
6 Kb8 draw
7 Kc2 draw
8 Kc4 draw
9 Kc6 draw
10 Kc8 draw
11 Kd2 draw
12 Kd3 draw
13 Kd4 draw
14 Kd6 draw
15 Kd7 draw
16 Kd8 draw
17 Re7 draw
18 Rf1 draw
19 Rf5 draw
20 Rf6 draw
21 Rf8 draw
22 Kb2 loss in 2 half-moves
23 Rf2 loss in 2 half-moves
24 Rf3 loss in 2 half-moves
25 Rf4 loss in 2 half-moves
26 Rg7 loss in 2 half-moves
27 Rh7 loss in 2 half-moves