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

EGTB: win in 4 half-moves

# move score
1 Rd6 win in 3 half-moves
2 Kb6 draw
3 Kb7 draw
4 Kc7 draw
5 Kcd6 draw
6 Kcd7 draw
7 Kd8 draw
8 Ke6 draw
9 Ke8 draw
10 Ked6 draw
11 Ked7 draw
12 Kf6 draw
13 Kf7 draw
14 Kf8 draw
15 Rh4 draw
16 Rh5 draw
17 Rh7 draw
18 Rh8 draw
19 Kb5 loss in 2 half-moves
20 Kc5 loss in 2 half-moves
21 Kd5 loss in 2 half-moves
22 Re6 loss in 2 half-moves
23 Rf6 loss in 2 half-moves
24 Rg6 loss in 2 half-moves
25 Rh1 loss in 2 half-moves
26 Rh2 loss in 2 half-moves
27 Rh3 loss in 2 half-moves