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

EGTB: win in 4 half-moves

# move score
1 Rd8 win in 3 half-moves
2 Kb1 draw
3 Kcd2 draw
4 Kd1 draw
5 Kd4 draw
6 Kdd2 draw
7 Ke2 draw
8 Ke3 draw
9 Ke4 draw
10 Rc8 draw
11 Re8 draw
12 Rf8 draw
13 Rg8 draw
14 Rh1 draw
15 Rh2 draw
16 Rh3 draw
17 Rh6 draw
18 Rh7 draw
19 Kb2 loss in 2 half-moves
20 Kc3 loss in 2 half-moves
21 Kc4 loss in 2 half-moves
22 Kcc2 loss in 2 half-moves
23 Kdc2 loss in 2 half-moves
24 Ra8 loss in 2 half-moves
25 Rb8 loss in 2 half-moves
26 Rh4 loss in 2 half-moves
27 Rh5 loss in 2 half-moves